AT&Tメーカー7500 seriesの使用説明書/サービス説明書
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AT&T 555-025-201 DEFINITY ® Communications System Network and Data Connectivity.
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CONTENTS _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ___________.
iv CONTENTS _ ___________________________________________________________________________________________________________________________ _ ____________________________________________________________.
CONTENTS v _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ _________.
vi CONTENTS _ ___________________________________________________________________________________________________________________________ _ ____________________________________________________________.
CONTENTS vii _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ Parallel vs.
viii CONTENTS _ ___________________________________________________________________________________________________________________________ _ __________________________________________________________.
CONTENTS ix _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ________.
x CONTENTS _ ___________________________________________________________________________________________________________________________ _ _____________________________________________________________.
CONTENTS xi _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ Figure 6-3.
xii CONTENTS _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________.
CONTENTS xiii _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ Figure B-11.
xiv CONTENTS _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________.
CONTENTS xv _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ Table 8-8.
xvi CONTENTS _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________.
ABOUT THIS DOCUMENT _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ .
xviii ABOUT THIS DOCUMENT _ ___________________________________________________________________________________________________________________________ _ ______________________________________________.
ABOUT THIS DOCUMENT xix _ ______________________________________________________________________________________ _ _____________________________________________________________________________________.
xx ABOUT THIS DOCUMENT _ ___________________________________________________________________________________________________________________________ _ _________________________________________________.
1. INTRODUCTION TO CONNECTIVITY _ ______________________________________________________________________________________ _ _____________________________________________________________________________.
1-2 INTRODUCTION TO CONNECTIVITY _ ___________________________________________________________________________________________________________________________ _ _______________________________________.
TRANSMISSION TYPES _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ _.
1-4 TRANSMISSION TYPES _ ___________________________________________________________________________________________________________________________ _ _________________________________________________.
TRANSMISSION TYPES 1-5 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________.
1-6 TRANSMISSION TYPES _ ___________________________________________________________________________________________________________________________ _ _________________________________________________.
TRANSMISSION STATES _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ .
1-8 TRANSMISSION STATES _ ___________________________________________________________________________________________________________________________ _ ________________________________________________.
TRANSMISSION STATES 1-9 _ ______________________________________________________________________________________ _ _____________________________________________________________________________________.
1-10 TRANSMISSION STATES _ ___________________________________________________________________________________________________________________________ _ _______________________________________________.
TRANSMISSION STATES 1-11 _ ______________________________________________________________________________________ _ ____________________________________________________________________________________.
1-12 TRANSMISSION STATES _ ___________________________________________________________________________________________________________________________ _ _______________________________________________.
TRANSMISSION STATES 1-13 _ ______________________________________________________________________________________ _ ____________________________________________________________________________________.
1-14 TRANSMISSION STATES _ ___________________________________________________________________________________________________________________________ _ _______________________________________________.
TRANSMISSION STATES 1-15 _ ______________________________________________________________________________________ _ ____________________________________________________________________________________.
1-16 TRANSMISSION STATES _ ___________________________________________________________________________________________________________________________ _ _______________________________________________.
MULTIPLEXED COMMUNICATION _ ______________________________________________________________________________________ _ ___________________________________________________________________________________.
1-18 MULTIPLEXED COMMUNICATION _ ___________________________________________________________________________________________________________________________ _ _________________________________________.
MULTIPLEXED COMMUNICATION 1-19 _ ______________________________________________________________________________________ _ ______________________________________________________________________________.
1-20 MULTIPLEXED COMMUNICATION _ ___________________________________________________________________________________________________________________________ _ _________________________________________.
MULTIPLEXED COMMUNICATION 1-21 _ ______________________________________________________________________________________ _ ______________________________________________________________________________.
1-22 MULTIPLEXED COMMUNICATION _ ___________________________________________________________________________________________________________________________ _ _________________________________________.
MULTIPLEXED COMMUNICATION 1-23 _ ______________________________________________________________________________________ _ ______________________________________________________________________________.
1-24 MULTIPLEXED COMMUNICATION _ ___________________________________________________________________________________________________________________________ _ _________________________________________.
MULTIPLEXED COMMUNICATION 1-25 _ ______________________________________________________________________________________ _ ______________________________________________________________________________.
1-26 MULTIPLEXED COMMUNICATION _ ___________________________________________________________________________________________________________________________ _ _________________________________________.
MULTIPLEXED COMMUNICATION 1-27 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ Facilities using RBS carry digital data at 56 kbps.
1-28 MULTIPLEXED COMMUNICATION _ ___________________________________________________________________________________________________________________________ _ _________________________________________.
MULTIPLEXED COMMUNICATION 1-29 _ ______________________________________________________________________________________ _ ______________________________________________________________________________.
1-30 MULTIPLEXED COMMUNICATION _ ___________________________________________________________________________________________________________________________ _ _________________________________________.
MULTIPLEXED COMMUNICATION 1-31 _ ______________________________________________________________________________________ _ ______________________________________________________________________________.
1-32 MULTIPLEXED COMMUNICATION _ ___________________________________________________________________________________________________________________________ _ _________________________________________.
MULTIPLEXED COMMUNICATION 1-33 _ ______________________________________________________________________________________ _ ______________________________________________________________________________.
1-34 MULTIPLEXED COMMUNICATION _ ___________________________________________________________________________________________________________________________ _ _________________________________________.
TRUNKING _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ___________.
1-36 TRUNKING _ ___________________________________________________________________________________________________________________________ _ __________________________________________________________.
TRUNKING 1-37 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______.
1-38 TRUNKING _ ___________________________________________________________________________________________________________________________ _ __________________________________________________________.
TRUNKING 1-39 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ Access can also be switched or nonswitched.
1-40 TRUNKING _ ___________________________________________________________________________________________________________________________ _ __________________________________________________________.
TRUNKING 1-41 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______.
1-42 TRUNKING _ ___________________________________________________________________________________________________________________________ _ __________________________________________________________.
TRUNKING 1-43 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ Table 1-10.
1-44 TRUNKING _ ___________________________________________________________________________________________________________________________ _ __________________________________________________________.
TRUNKING 1-45 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ Table 1-11.
1-46 TRUNKING _ ___________________________________________________________________________________________________________________________ _ __________________________________________________________.
TRUNKING 1-47 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______.
1-48 TRUNKING _ ___________________________________________________________________________________________________________________________ _ __________________________________________________________.
TRUNKING 1-49 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ Table 1-13.
1-50 TRUNKING _ ___________________________________________________________________________________________________________________________ _ __________________________________________________________.
TRUNKING 1-51 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______.
1-52 TRUNKING _ ___________________________________________________________________________________________________________________________ _ __________________________________________________________.
2. COMMUNICATION SYSTEM NETWORKING — AN OVERVIEW _ ______________________________________________________________________________________ _ __________________________________________________________.
2-2 COMMUNICATION SYSTEM NETWORKING — AN OVERVIEW _ ___________________________________________________________________________________________________________________________ _ ____________________.
COMMUNICATION SYSTEM NETWORKING — AN OVERVIEW 2-3 _ ______________________________________________________________________________________ _ _________________________________________________________.
2-4 COMMUNICATION SYSTEM NETWORKING — AN OVERVIEW _ ___________________________________________________________________________________________________________________________ _ ____________________.
COMMUNICATION SYSTEM NETWORKING — AN OVERVIEW 2-5 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ network calls.
2-6 COMMUNICATION SYSTEM NETWORKING — AN OVERVIEW _ ___________________________________________________________________________________________________________________________ _ ____________________.
COMMUNICATION SYSTEM NETWORKING — AN OVERVIEW 2-7 _ ______________________________________________________________________________________ _ _________________________________________________________.
2-8 COMMUNICATION SYSTEM NETWORKING — AN OVERVIEW _ ___________________________________________________________________________________________________________________________ _ ____________________.
COMMUNICATION SYSTEM NETWORKING — AN OVERVIEW 2-9 _ ______________________________________________________________________________________ _ _________________________________________________________.
2-10 COMMUNICATION SYSTEM NETWORKING — AN OVERVIEW _ ___________________________________________________________________________________________________________________________ _ ___________________.
COMMUNICATION SYSTEM NETWORKING — AN OVERVIEW 2-11 _ ______________________________________________________________________________________ _ ________________________________________________________.
2-12 COMMUNICATION SYSTEM NETWORKING — AN OVERVIEW _ ___________________________________________________________________________________________________________________________ _ ___________________.
COMMUNICATION SYSTEM NETWORKING — AN OVERVIEW 2-13 _ ______________________________________________________________________________________ _ ________________________________________________________.
2-14 COMMUNICATION SYSTEM NETWORKING — AN OVERVIEW _ ___________________________________________________________________________________________________________________________ _ ___________________.
COMMUNICATION SYSTEM NETWORKING — AN OVERVIEW 2-15 _ ______________________________________________________________________________________ _ ________________________________________________________.
2-16 COMMUNICATION SYSTEM NETWORKING — AN OVERVIEW _ ___________________________________________________________________________________________________________________________ _ ___________________.
COMMUNICATION SYSTEM NETWORKING — AN OVERVIEW 2-17 _ ______________________________________________________________________________________ _ ________________________________________________________.
2-18 COMMUNICATION SYSTEM NETWORKING — AN OVERVIEW _ ___________________________________________________________________________________________________________________________ _ ___________________.
COMMUNICATION SYSTEM NETWORKING — AN OVERVIEW 2-19 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ Table 2-3.
2-20 COMMUNICATION SYSTEM NETWORKING — AN OVERVIEW _ ___________________________________________________________________________________________________________________________ _ ___________________.
3. TANDEM TIE TRUNK NETWORKS _ ______________________________________________________________________________________ _ ________________________________________________________________________________.
3-2 TANDEM TIE TRUNK NETWORKS _ ___________________________________________________________________________________________________________________________ _ __________________________________________.
4. MAIN-SATELLITE/TRIBUTARY (MS/T) NETWORKS THROUGH THE UDP OR MULTIPREMISES PACKAGES _ ______________________________________________________________________________________ _ _______________________.
4-2 MAIN-SATELLITE/TRIBUTARY (MS/T) NETWORKS THROUGH THE UDP OR MULTIPREMISES PACKAGES _ _______________________________________________________________________________________________________________.
MAIN-SATELLITE/TRIBUTARY (MS/T) NETWORKS THROUGH THE UDP OR MULTIPREMISES PACKAGES 4-3 _ ______________________________________________________________________________________ _ ______________________.
4-4 MAIN-SATELLITE/TRIBUTARY (MS/T) NETWORKS THROUGH THE UDP OR MULTIPREMISES PACKAGES _ _______________________________________________________________________________________________________________.
MAIN-SATELLITE/TRIBUTARY (MS/T) NETWORKS THROUGH THE UDP OR MULTIPREMISES PACKAGES 4-5 _ ______________________________________________________________________________________ _ ______________________.
4-6 MAIN-SATELLITE/TRIBUTARY (MS/T) NETWORKS THROUGH THE UDP OR MULTIPREMISES PACKAGES _ _______________________________________________________________________________________________________________.
MAIN-SATELLITE/TRIBUTARY (MS/T) NETWORKS THROUGH THE UDP OR MULTIPREMISES PACKAGES 4-7 _ ______________________________________________________________________________________ _ ______________________.
4-8 MAIN-SATELLITE/TRIBUTARY (MS/T) NETWORKS THROUGH THE UDP OR MULTIPREMISES PACKAGES _ _______________________________________________________________________________________________________________.
MAIN-SATELLITE/TRIBUTARY (MS/T) NETWORKS THROUGH THE UDP OR MULTIPREMISES PACKAGES 4-9 _ ______________________________________________________________________________________ _ ______________________.
4-10 MAIN-SATELLITE/TRIBUTARY (MS/T) NETWORKS THROUGH THE UDP OR MULTIPREMISES PACKAGES _ ______________________________________________________________________________________________________________.
5. ELECTRONIC TANDEM NETWORK (ETN) THROUGH THE ETN AND PNA PACKAGES _ ______________________________________________________________________________________ _ _________________________________________.
5-2 ELECTRONIC TANDEM NETWORK (ETN) THROUGH THE ETN AND PNA PACKAGES _ ___________________________________________________________________________________________________________________________ _ ___.
ELECTRONIC TANDEM NETWORK (ETN) THROUGH THE ETN AND PNA PACKAGES 5-3 _ ______________________________________________________________________________________ _ ________________________________________.
5-4 ELECTRONIC TANDEM NETWORK (ETN) THROUGH THE ETN AND PNA PACKAGES _ ___________________________________________________________________________________________________________________________ _ ___.
ELECTRONIC TANDEM NETWORK (ETN) THROUGH THE ETN AND PNA PACKAGES 5-5 _ ______________________________________________________________________________________ _ ________________________________________.
5-6 ELECTRONIC TANDEM NETWORK (ETN) THROUGH THE ETN AND PNA PACKAGES _ ___________________________________________________________________________________________________________________________ _ ___.
ELECTRONIC TANDEM NETWORK (ETN) THROUGH THE ETN AND PNA PACKAGES 5-7 _ ______________________________________________________________________________________ _ ________________________________________.
5-8 ELECTRONIC TANDEM NETWORK (ETN) THROUGH THE ETN AND PNA PACKAGES _ ___________________________________________________________________________________________________________________________ _ ___.
ELECTRONIC TANDEM NETWORK (ETN) THROUGH THE ETN AND PNA PACKAGES 5-9 _ ______________________________________________________________________________________ _ ________________________________________.
5-10 ELECTRONIC TANDEM NETWORK (ETN) THROUGH THE ETN AND PNA PACKAGES _ ___________________________________________________________________________________________________________________________ _ __.
ELECTRONIC TANDEM NETWORK (ETN) THROUGH THE ETN AND PNA PACKAGES 5-11 _ ______________________________________________________________________________________ _ _______________________________________.
5-12 ELECTRONIC TANDEM NETWORK (ETN) THROUGH THE ETN AND PNA PACKAGES _ ___________________________________________________________________________________________________________________________ _ __.
ELECTRONIC TANDEM NETWORK (ETN) THROUGH THE ETN AND PNA PACKAGES 5-13 _ ______________________________________________________________________________________ _ _______________________________________.
5-14 ELECTRONIC TANDEM NETWORK (ETN) THROUGH THE ETN AND PNA PACKAGES _ ___________________________________________________________________________________________________________________________ _ __.
6. DISTRIBUTED COMMUNICATIONS SYSTEM (DCS) _ ______________________________________________________________________________________ _ __________________________________________________________________.
6-2 DISTRIBUTED COMMUNICATIONS SYSTEM (DCS) _ ___________________________________________________________________________________________________________________________ _ ____________________________.
DISTRIBUTED COMMUNICATIONS SYSTEM (DCS) 6-3 _ ______________________________________________________________________________________ _ _________________________________________________________________.
6-4 DISTRIBUTED COMMUNICATIONS SYSTEM (DCS) _ ___________________________________________________________________________________________________________________________ _ ____________________________.
DISTRIBUTED COMMUNICATIONS SYSTEM (DCS) 6-5 _ ______________________________________________________________________________________ _ _________________________________________________________________.
6-6 DISTRIBUTED COMMUNICATIONS SYSTEM (DCS) _ ___________________________________________________________________________________________________________________________ _ ____________________________.
DISTRIBUTED COMMUNICATIONS SYSTEM (DCS) 6-7 _ ______________________________________________________________________________________ _ _________________________________________________________________.
6-8 DISTRIBUTED COMMUNICATIONS SYSTEM (DCS) _ ___________________________________________________________________________________________________________________________ _ ____________________________.
DISTRIBUTED COMMUNICATIONS SYSTEM (DCS) 6-9 _ ______________________________________________________________________________________ _ _________________________________________________________________.
6-10 DISTRIBUTED COMMUNICATIONS SYSTEM (DCS) _ ___________________________________________________________________________________________________________________________ _ ___________________________.
DISTRIBUTED COMMUNICATIONS SYSTEM (DCS) 6-11 _ ______________________________________________________________________________________ _ ________________________________________________________________.
6-12 DISTRIBUTED COMMUNICATIONS SYSTEM (DCS) _ ___________________________________________________________________________________________________________________________ _ ___________________________.
DISTRIBUTED COMMUNICATIONS SYSTEM (DCS) 6-13 _ ______________________________________________________________________________________ _ ________________________________________________________________.
6-14 DISTRIBUTED COMMUNICATIONS SYSTEM (DCS) _ ___________________________________________________________________________________________________________________________ _ ___________________________.
DISTRIBUTED COMMUNICATIONS SYSTEM (DCS) 6-15 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ Table 6-3.
6-16 DISTRIBUTED COMMUNICATIONS SYSTEM (DCS) _ ___________________________________________________________________________________________________________________________ _ ___________________________.
DISTRIBUTED COMMUNICATIONS SYSTEM (DCS) 6-17 _ ______________________________________________________________________________________ _ ________________________________________________________________.
6-18 DISTRIBUTED COMMUNICATIONS SYSTEM (DCS) _ ___________________________________________________________________________________________________________________________ _ ___________________________.
DISTRIBUTED COMMUNICATIONS SYSTEM (DCS) 6-19 _ ______________________________________________________________________________________ _ ________________________________________________________________.
6-20 DISTRIBUTED COMMUNICATIONS SYSTEM (DCS) _ ___________________________________________________________________________________________________________________________ _ ___________________________.
DISTRIBUTED COMMUNICATIONS SYSTEM (DCS) 6-21 _ ______________________________________________________________________________________ _ ________________________________________________________________.
6-22 DISTRIBUTED COMMUNICATIONS SYSTEM (DCS) _ ___________________________________________________________________________________________________________________________ _ ___________________________.
DISTRIBUTED COMMUNICATIONS SYSTEM (DCS) 6-23 _ ______________________________________________________________________________________ _ ________________________________________________________________.
6-24 DISTRIBUTED COMMUNICATIONS SYSTEM (DCS) _ ___________________________________________________________________________________________________________________________ _ ___________________________.
7. DATA CONNECTIVITY — AN OVERVIEW _ ______________________________________________________________________________________ _ ________________________________________________________________________.
7-2 DATA CONNECTIVITY — AN OVERVIEW _ ___________________________________________________________________________________________________________________________ _ __________________________________.
DATA CONNECTIVITY — AN OVERVIEW 7-3 _ ______________________________________________________________________________________ _ _______________________________________________________________________.
7-4 DATA CONNECTIVITY — AN OVERVIEW _ ___________________________________________________________________________________________________________________________ _ __________________________________.
DATA CONNECTIVITY — AN OVERVIEW 7-5 _ ______________________________________________________________________________________ _ _______________________________________________________________________.
7-6 DATA CONNECTIVITY — AN OVERVIEW _ ___________________________________________________________________________________________________________________________ _ __________________________________.
DATA CONNECTIVITY — AN OVERVIEW 7-7 _ ______________________________________________________________________________________ _ _______________________________________________________________________.
7-8 DATA CONNECTIVITY — AN OVERVIEW _ ___________________________________________________________________________________________________________________________ _ __________________________________.
DATA CONNECTIVITY — AN OVERVIEW 7-9 _ ______________________________________________________________________________________ _ _______________________________________________________________________.
7-10 DATA CONNECTIVITY — AN OVERVIEW _ ___________________________________________________________________________________________________________________________ _ _________________________________.
DATA CONNECTIVITY — AN OVERVIEW 7-11 _ ______________________________________________________________________________________ _ ______________________________________________________________________.
7-12 DATA CONNECTIVITY — AN OVERVIEW _ ___________________________________________________________________________________________________________________________ _ _________________________________.
8. DATA COMMUNICATIONS CAPABILITIES _ ______________________________________________________________________________________ _ _________________________________________________________________________.
8-2 DATA COMMUNICATIONS CAPABILITIES _ ___________________________________________________________________________________________________________________________ _ ___________________________________.
DTE CONNECTIONS _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ____.
8-4 DTE CONNECTIONS _ ___________________________________________________________________________________________________________________________ _ ____________________________________________________.
DTE CONNECTIONS 8-5 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ .
8-6 DTE CONNECTIONS _ ___________________________________________________________________________________________________________________________ _ ____________________________________________________.
DTE CONNECTIONS 8-7 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ .
8-8 DTE CONNECTIONS _ ___________________________________________________________________________________________________________________________ _ ____________________________________________________.
DTE CONNECTIONS 8-9 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ TABLE 8-1.
8-10 DTE CONNECTIONS _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________.
DTE CONNECTIONS 8-11 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _.
8-12 DTE CONNECTIONS _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________.
LOCAL AREA NETWORK CONNECTIONS _ ______________________________________________________________________________________ _ ______________________________________________________________________________.
8-14 LOCAL AREA NETWORK CONNECTIONS _ ___________________________________________________________________________________________________________________________ _ ____________________________________.
LOCAL AREA NETWORK CONNECTIONS 8-15 _ ______________________________________________________________________________________ _ _________________________________________________________________________.
8-16 LOCAL AREA NETWORK CONNECTIONS _ ___________________________________________________________________________________________________________________________ _ ____________________________________.
LOCAL AREA NETWORK CONNECTIONS 8-17 _ ______________________________________________________________________________________ _ _________________________________________________________________________.
8-18 LOCAL AREA NETWORK CONNECTIONS _ ___________________________________________________________________________________________________________________________ _ ____________________________________.
LOCAL AREA NETWORK CONNECTIONS 8-19 _ ______________________________________________________________________________________ _ _________________________________________________________________________.
8-20 LOCAL AREA NETWORK CONNECTIONS _ ___________________________________________________________________________________________________________________________ _ ____________________________________.
PUBLIC AND PRIVATE DATA NETWORK CONNECTIONS _ ______________________________________________________________________________________ _ _________________________________________________________________.
8-22 PUBLIC AND PRIVATE DATA NETWORK CONNECTIONS _ ___________________________________________________________________________________________________________________________ _ _______________________.
PUBLIC AND PRIVATE DATA NETWORK CONNECTIONS 8-23 _ ______________________________________________________________________________________ _ ____________________________________________________________.
8-24 PUBLIC AND PRIVATE DATA NETWORK CONNECTIONS _ ___________________________________________________________________________________________________________________________ _ _______________________.
PUBLIC AND PRIVATE DATA NETWORK CONNECTIONS 8-25 _ ______________________________________________________________________________________ _ ____________________________________________________________.
8-26 PUBLIC AND PRIVATE DATA NETWORK CONNECTIONS _ ___________________________________________________________________________________________________________________________ _ _______________________.
PUBLIC AND PRIVATE DATA NETWORK CONNECTIONS 8-27 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ Table 8-7.
8-28 PUBLIC AND PRIVATE DATA NETWORK CONNECTIONS _ ___________________________________________________________________________________________________________________________ _ _______________________.
PUBLIC AND PRIVATE DATA NETWORK CONNECTIONS 8-29 _ ______________________________________________________________________________________ _ ____________________________________________________________.
8-30 PUBLIC AND PRIVATE DATA NETWORK CONNECTIONS _ ___________________________________________________________________________________________________________________________ _ _______________________.
TELEMARKETING HOST CONNECTIONS _ ______________________________________________________________________________________ _ ______________________________________________________________________________.
8-32 TELEMARKETING HOST CONNECTIONS _ ___________________________________________________________________________________________________________________________ _ ____________________________________.
TELEMARKETING HOST CONNECTIONS 8-33 _ ______________________________________________________________________________________ _ _________________________________________________________________________.
8-34 TELEMARKETING HOST CONNECTIONS _ ___________________________________________________________________________________________________________________________ _ ____________________________________.
DATA NETWORK ADMINISTRATION _ ______________________________________________________________________________________ _ _________________________________________________________________________________.
8-36 DATA NETWORK ADMINISTRATION _ ___________________________________________________________________________________________________________________________ _ _______________________________________.
9. DATA COMMUNICATIONS CONFIGURATIONS _ ______________________________________________________________________________________ _ _______________________________________________________________________.
9-2 DATA COMMUNICATIONS CONFIGURATIONS _ ___________________________________________________________________________________________________________________________ _ _________________________________.
DATA COMMUNICATIONS CONFIGURATIONS 9-3 _ ______________________________________________________________________________________ _ ______________________________________________________________________.
9-4 DATA COMMUNICATIONS CONFIGURATIONS _ ___________________________________________________________________________________________________________________________ _ _________________________________.
DATA COMMUNICATIONS CONFIGURATIONS 9-5 _ ______________________________________________________________________________________ _ ______________________________________________________________________.
9-6 DATA COMMUNICATIONS CONFIGURATIONS _ ___________________________________________________________________________________________________________________________ _ _________________________________.
DATA COMMUNICATIONS CONFIGURATIONS 9-7 _ ______________________________________________________________________________________ _ ______________________________________________________________________.
9-8 DATA COMMUNICATIONS CONFIGURATIONS _ ___________________________________________________________________________________________________________________________ _ _________________________________.
A. RELATED DOCUMENTS _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _.
A-2 RELATED DOCUMENTS _ ___________________________________________________________________________________________________________________________ _ __________________________________________________.
RELATED DOCUMENTS A-3 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ .
A-4 RELATED DOCUMENTS _ ___________________________________________________________________________________________________________________________ _ __________________________________________________.
RELATED DOCUMENTS A-5 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ .
A-6 RELATED DOCUMENTS _ ___________________________________________________________________________________________________________________________ _ __________________________________________________.
RELATED DOCUMENTS A-7 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ .
A-8 RELATED DOCUMENTS _ ___________________________________________________________________________________________________________________________ _ __________________________________________________.
RELATED DOCUMENTS A-9 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ .
A-10 RELATED DOCUMENTS _ ___________________________________________________________________________________________________________________________ _ _________________________________________________.
B. SYNCHRONIZATION OF DIGITAL FACILITIES _ ______________________________________________________________________________________ _ ____________________________________________________________________.
B-2 SYNCHRONIZATION OF DIGITAL FACILITIES _ ___________________________________________________________________________________________________________________________ _ ______________________________.
SYNCHRONIZATION OF DIGITAL FACILITIES B-3 _ ______________________________________________________________________________________ _ ___________________________________________________________________.
B-4 SYNCHRONIZATION OF DIGITAL FACILITIES _ ___________________________________________________________________________________________________________________________ _ ______________________________.
SYNCHRONIZATION OF DIGITAL FACILITIES B-5 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ synchronized together.
B-6 SYNCHRONIZATION OF DIGITAL FACILITIES _ ___________________________________________________________________________________________________________________________ _ ______________________________.
SYNCHRONIZATION OF DIGITAL FACILITIES B-7 _ ______________________________________________________________________________________ _ ___________________________________________________________________.
B-8 SYNCHRONIZATION OF DIGITAL FACILITIES _ ___________________________________________________________________________________________________________________________ _ ______________________________.
SYNCHRONIZATION OF DIGITAL FACILITIES B-9 _ ______________________________________________________________________________________ _ ___________________________________________________________________.
B-10 SYNCHRONIZATION OF DIGITAL FACILITIES _ ___________________________________________________________________________________________________________________________ _ _____________________________.
SYNCHRONIZATION OF DIGITAL FACILITIES B-11 _ ______________________________________________________________________________________ _ __________________________________________________________________.
B-12 SYNCHRONIZATION OF DIGITAL FACILITIES _ ___________________________________________________________________________________________________________________________ _ _____________________________.
SYNCHRONIZATION OF DIGITAL FACILITIES B-13 _ ______________________________________________________________________________________ _ __________________________________________________________________.
B-14 SYNCHRONIZATION OF DIGITAL FACILITIES _ ___________________________________________________________________________________________________________________________ _ _____________________________.
SYNCHRONIZATION OF DIGITAL FACILITIES B-15 _ ______________________________________________________________________________________ _ __________________________________________________________________.
B-16 SYNCHRONIZATION OF DIGITAL FACILITIES _ ___________________________________________________________________________________________________________________________ _ _____________________________.
SYNCHRONIZATION OF DIGITAL FACILITIES B-17 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ 2.
B-18 SYNCHRONIZATION OF DIGITAL FACILITIES _ ___________________________________________________________________________________________________________________________ _ _____________________________.
SYNCHRONIZATION OF DIGITAL FACILITIES B-19 _ ______________________________________________________________________________________ _ __________________________________________________________________.
B-20 SYNCHRONIZATION OF DIGITAL FACILITIES _ ___________________________________________________________________________________________________________________________ _ _____________________________.
SYNCHRONIZATION OF DIGITAL FACILITIES B-21 _ ______________________________________________________________________________________ _ __________________________________________________________________.
B-22 SYNCHRONIZATION OF DIGITAL FACILITIES _ ___________________________________________________________________________________________________________________________ _ _____________________________.
SYNCHRONIZATION OF DIGITAL FACILITIES B-23 _ ______________________________________________________________________________________ _ __________________________________________________________________.
B-24 SYNCHRONIZATION OF DIGITAL FACILITIES _ ___________________________________________________________________________________________________________________________ _ _____________________________.
SYNCHRONIZATION OF DIGITAL FACILITIES B-25 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ B A .
B-26 SYNCHRONIZATION OF DIGITAL FACILITIES _ ___________________________________________________________________________________________________________________________ _ _____________________________.
SYNCHRONIZATION OF DIGITAL FACILITIES B-27 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ .
B-28 SYNCHRONIZATION OF DIGITAL FACILITIES _ ___________________________________________________________________________________________________________________________ _ _____________________________.
SYNCHRONIZATION OF DIGITAL FACILITIES B-29 _ ______________________________________________________________________________________ _ __________________________________________________________________.
B-30 SYNCHRONIZATION OF DIGITAL FACILITIES _ ___________________________________________________________________________________________________________________________ _ _____________________________.
SYNCHRONIZATION OF DIGITAL FACILITIES B-31 _ ______________________________________________________________________________________ _ __________________________________________________________________.
B-32 SYNCHRONIZATION OF DIGITAL FACILITIES _ ___________________________________________________________________________________________________________________________ _ _____________________________.
C. TRUNKING TERMS AND CAPABILITIES _ ______________________________________________________________________________________ _ __________________________________________________________________________.
C-2 TRUNKING TERMS AND CAPABILITIES _ ___________________________________________________________________________________________________________________________ _ ____________________________________.
TRUNKING TERMS AND CAPABILITIES C-3 _ ______________________________________________________________________________________ _ _________________________________________________________________________.
C-4 TRUNKING TERMS AND CAPABILITIES _ ___________________________________________________________________________________________________________________________ _ ____________________________________.
TRUNKING TERMS AND CAPABILITIES C-5 _ ______________________________________________________________________________________ _ _________________________________________________________________________.
C-6 TRUNKING TERMS AND CAPABILITIES _ ___________________________________________________________________________________________________________________________ _ ____________________________________.
TRUNKING TERMS AND CAPABILITIES C-7 _ ______________________________________________________________________________________ _ _________________________________________________________________________.
C-8 TRUNKING TERMS AND CAPABILITIES _ ___________________________________________________________________________________________________________________________ _ ____________________________________.
TRUNKING TERMS AND CAPABILITIES C-9 _ ______________________________________________________________________________________ _ _________________________________________________________________________.
C-10 TRUNKING TERMS AND CAPABILITIES _ ___________________________________________________________________________________________________________________________ _ ___________________________________.
TRUNKING TERMS AND CAPABILITIES C-11 _ ______________________________________________________________________________________ _ ________________________________________________________________________.
C-12 TRUNKING TERMS AND CAPABILITIES _ ___________________________________________________________________________________________________________________________ _ ___________________________________.
TRUNKING TERMS AND CAPABILITIES C-13 _ ______________________________________________________________________________________ _ ________________________________________________________________________.
C-14 TRUNKING TERMS AND CAPABILITIES _ ___________________________________________________________________________________________________________________________ _ ___________________________________.
TRUNKING TERMS AND CAPABILITIES C-15 _ ______________________________________________________________________________________ _ ________________________________________________________________________.
C-16 TRUNKING TERMS AND CAPABILITIES _ ___________________________________________________________________________________________________________________________ _ ___________________________________.
TRUNKING TERMS AND CAPABILITIES C-17 _ ______________________________________________________________________________________ _ ________________________________________________________________________.
C-18 TRUNKING TERMS AND CAPABILITIES _ ___________________________________________________________________________________________________________________________ _ ___________________________________.
TRUNKING TERMS AND CAPABILITIES C-19 _ ______________________________________________________________________________________ _ ________________________________________________________________________.
C-20 TRUNKING TERMS AND CAPABILITIES _ ___________________________________________________________________________________________________________________________ _ ___________________________________.
TRUNKING TERMS AND CAPABILITIES C-21 _ ______________________________________________________________________________________ _ ________________________________________________________________________.
C-22 TRUNKING TERMS AND CAPABILITIES _ ___________________________________________________________________________________________________________________________ _ ___________________________________.
TRUNKING TERMS AND CAPABILITIES C-23 _ ______________________________________________________________________________________ _ ________________________________________________________________________.
C-24 TRUNKING TERMS AND CAPABILITIES _ ___________________________________________________________________________________________________________________________ _ ___________________________________.
TRUNKING TERMS AND CAPABILITIES C-25 _ ______________________________________________________________________________________ _ ________________________________________________________________________.
C-26 TRUNKING TERMS AND CAPABILITIES _ ___________________________________________________________________________________________________________________________ _ ___________________________________.
TRUNKING TERMS AND CAPABILITIES C-27 _ ______________________________________________________________________________________ _ ________________________________________________________________________.
C-28 TRUNKING TERMS AND CAPABILITIES _ ___________________________________________________________________________________________________________________________ _ ___________________________________.
TRUNKING TERMS AND CAPABILITIES C-29 _ ______________________________________________________________________________________ _ ________________________________________________________________________.
C-30 TRUNKING TERMS AND CAPABILITIES _ ___________________________________________________________________________________________________________________________ _ ___________________________________.
TRUNKING TERMS AND CAPABILITIES C-31 _ ______________________________________________________________________________________ _ ________________________________________________________________________.
C-32 TRUNKING TERMS AND CAPABILITIES _ ___________________________________________________________________________________________________________________________ _ ___________________________________.
D. COMMUNICATIONS PROTOCOLS _ ______________________________________________________________________________________ _ _________________________________________________________________________________.
D-2 COMMUNICATIONS PROTOCOLS _ ___________________________________________________________________________________________________________________________ _ ___________________________________________.
COMMUNICATIONS PROTOCOLS D-3 _ ______________________________________________________________________________________ _ ________________________________________________________________________________.
D-4 COMMUNICATIONS PROTOCOLS _ ___________________________________________________________________________________________________________________________ _ ___________________________________________.
COMMUNICATIONS PROTOCOLS D-5 _ ______________________________________________________________________________________ _ ________________________________________________________________________________.
D-6 COMMUNICATIONS PROTOCOLS _ ___________________________________________________________________________________________________________________________ _ ___________________________________________.
COMMUNICATIONS PROTOCOLS D-7 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ Table D-2.
D-8 COMMUNICATIONS PROTOCOLS _ ___________________________________________________________________________________________________________________________ _ ___________________________________________.
COMMUNICATIONS PROTOCOLS D-9 _ ______________________________________________________________________________________ _ ________________________________________________________________________________.
D-10 COMMUNICATIONS PROTOCOLS _ ___________________________________________________________________________________________________________________________ _ __________________________________________.
COMMUNICATIONS PROTOCOLS D-11 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ • The Bell standard for X.
D-12 COMMUNICATIONS PROTOCOLS _ ___________________________________________________________________________________________________________________________ _ __________________________________________.
COMMUNICATIONS PROTOCOLS D-13 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ data frames are multiplexed into a DCP and DS1 frame.
D-14 COMMUNICATIONS PROTOCOLS _ ___________________________________________________________________________________________________________________________ _ __________________________________________.
COMMUNICATIONS PROTOCOLS D-15 _ ______________________________________________________________________________________ _ _______________________________________________________________________________.
D-16 COMMUNICATIONS PROTOCOLS _ ___________________________________________________________________________________________________________________________ _ __________________________________________.
COMMUNICATIONS PROTOCOLS D-17 _ ______________________________________________________________________________________ _ _______________________________________________________________________________.
D-18 COMMUNICATIONS PROTOCOLS _ ___________________________________________________________________________________________________________________________ _ __________________________________________.
COMMUNICATIONS PROTOCOLS D-19 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ Physical Layer.
D-20 COMMUNICATIONS PROTOCOLS _ ___________________________________________________________________________________________________________________________ _ __________________________________________.
E. LEAD DEFINITIONS _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ .
E-2 LEAD DEFINITIONS _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________.
LEAD DEFINITIONS E-3 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ Table E-2.
E-4 LEAD DEFINITIONS _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________.
LEAD DEFINITIONS E-5 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ Table E-4.
E-6 LEAD DEFINITIONS _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________.
LEAD DEFINITIONS E-7 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ Table E-6.
E-8 LEAD DEFINITIONS _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________.
F. NETWORKING FEATURES——AVAILABILITY MATRIX _ ______________________________________________________________________________________ _ _____________________________________________________________.
F-2 NETWORKING FEATURES——AVAILABILITY MATRIX _ ___________________________________________________________________________________________________________________________ _ _______________________.
NETWORKING FEATURES——AVAILABILITY MATRIX F-3 _ ______________________________________________________________________________________ _ ____________________________________________________________.
F-4 NETWORKING FEATURES——AVAILABILITY MATRIX _ ___________________________________________________________________________________________________________________________ _ _______________________.
NETWORKING FEATURES——AVAILABILITY MATRIX F-5 _ ______________________________________________________________________________________ _ ____________________________________________________________.
F-6 NETWORKING FEATURES——AVAILABILITY MATRIX _ ___________________________________________________________________________________________________________________________ _ _______________________.
ABBREVIATIONS _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______.
AB-2 ABBREVIATIONS _ ___________________________________________________________________________________________________________________________ _ _____________________________________________________.
ABBREVIATIONS AB-3 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ _.
AB-4 ABBREVIATIONS _ ___________________________________________________________________________________________________________________________ _ _____________________________________________________.
ABBREVIATIONS AB-5 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ _.
AB-6 ABBREVIATIONS _ ___________________________________________________________________________________________________________________________ _ _____________________________________________________.
GLOSSARY _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ___________.
GL-2 GLOSSARY _ ___________________________________________________________________________________________________________________________ _ __________________________________________________________.
GLOSSARY GL-3 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______.
GL-4 GLOSSARY _ ___________________________________________________________________________________________________________________________ _ __________________________________________________________.
GLOSSARY GL-5 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ BRI See basic rate interface .
GL-6 GLOSSARY _ ___________________________________________________________________________________________________________________________ _ __________________________________________________________.
GLOSSARY GL-7 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______.
GL-8 GLOSSARY _ ___________________________________________________________________________________________________________________________ _ __________________________________________________________.
GLOSSARY GL-9 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ DDC See Direct Department Calling .
GL-10 GLOSSARY _ ___________________________________________________________________________________________________________________________ _ _________________________________________________________.
GLOSSARY GL-11 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ _____.
GL-12 GLOSSARY _ ___________________________________________________________________________________________________________________________ _ _________________________________________________________.
GLOSSARY GL-13 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ _____.
GL-14 GLOSSARY _ ___________________________________________________________________________________________________________________________ _ _________________________________________________________.
GLOSSARY GL-15 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ _____.
GL-16 GLOSSARY _ ___________________________________________________________________________________________________________________________ _ _________________________________________________________.
GLOSSARY GL-17 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ MPDM See modular processor data module .
GL-18 GLOSSARY _ ___________________________________________________________________________________________________________________________ _ _________________________________________________________.
GLOSSARY GL-19 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ _____.
GL-20 GLOSSARY _ ___________________________________________________________________________________________________________________________ _ _________________________________________________________.
GLOSSARY GL-21 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ _____.
GL-22 GLOSSARY _ ___________________________________________________________________________________________________________________________ _ _________________________________________________________.
GLOSSARY GL-23 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ _____.
GL-24 GLOSSARY _ ___________________________________________________________________________________________________________________________ _ _________________________________________________________.
INDEX _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________.
IN-2 INDEX _ ___________________________________________________________________________________________________________________________ _ _____________________________________________________________.
INDEX IN-3 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ _________.
IN-4 INDEX _ ___________________________________________________________________________________________________________________________ _ _____________________________________________________________.
INDEX IN-5 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ _________.
IN-6 INDEX _ ___________________________________________________________________________________________________________________________ _ _____________________________________________________________.
INDEX IN-7 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ _________.
IN-8 INDEX _ ___________________________________________________________________________________________________________________________ _ _____________________________________________________________.
INDEX IN-9 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ _________.
IN-10 INDEX _ ___________________________________________________________________________________________________________________________ _ ____________________________________________________________.
INDEX IN-11 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ________.
IN-12 INDEX _ ___________________________________________________________________________________________________________________________ _ ____________________________________________________________.
デバイスAT&T 7500 seriesの購入後に（又は購入する前であっても）重要なポイントは、説明書をよく読むことです。その単純な理由はいくつかあります：
AT&T 7500 seriesをまだ購入していないなら、この製品の基本情報を理解する良い機会です。まずは上にある説明書の最初のページをご覧ください。そこにはAT&T 7500 seriesの技術情報の概要が記載されているはずです。デバイスがあなたのニーズを満たすかどうかは、ここで確認しましょう。AT&T 7500 seriesの取扱説明書の次のページをよく読むことにより、製品の全機能やその取り扱いに関する情報を知ることができます。AT&T 7500 seriesで得られた情報は、きっとあなたの購入の決断を手助けしてくれることでしょう。
AT&T 7500 seriesを既にお持ちだが、まだ読んでいない場合は、上記の理由によりそれを行うべきです。そうすることにより機能を適切に使用しているか、又はAT&T 7500 seriesの不適切な取り扱いによりその寿命を短くする危険を犯していないかどうかを知ることができます。
ですが、ユーザガイドが果たす重要な役割の一つは、AT&T 7500 seriesに関する問題の解決を支援することです。そこにはほとんどの場合、トラブルシューティング、すなわちAT&T 7500 seriesデバイスで最もよく起こりうる故障・不良とそれらの対処法についてのアドバイスを見つけることができるはずです。たとえ問題を解決できなかった場合でも、説明書にはカスタマー・サービスセンター又は最寄りのサービスセンターへの問い合わせ先等、次の対処法についての指示があるはずです。
