ADTRANメーカーD4 U-BR1TE Vの使用説明書/サービス説明書
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1 Section 61104020L4-5, Issue 3 61104020L4-5C 1. GENERAL This practice provides installation and maintenance procedures for the ADTRAN D4 U-BR1TE V w/PWR and DDS Loopbacks, P/N 1104020L4. Figure 1 is an illustration of the U-BR1TE V. ISDN/DDS The U-BR1TE employs features for both ISDN and DDS transport.
2 Section 61104020L4-5, Issue 3 61104020L4-5C C A U T I O N C A U T I O N ! SUBJECT TO ELECTROSTATIC DAMAGE OR DECREASE IN RELIABILITY. HANDLING PRECAUTIONS REQUIRED. • All Layer 1 maintenance function and performance monitoring as specified in TR-NWT-000397 and TR-TSY-000829.
3 Section 61104020L4-5, Issue 3 61104020L4-5C In SLC-96 Mode I with D1D counting channel bank, the time slots are allocated as shown in Figure 3 with two time slots per physical channel slot. The unit uses two time slots in one physical slot and a time slot from an adjacent slot when configured for 2B+D operation.
4 Section 61104020L4-5, Issue 3 61104020L4-5C See Figure 4 for additional channel slot deployment restrictions for each bank type. D4 Bank Requirements The COT D4 bank must be configured with an OIU-2 selected for external timing. The COT bank must be provided with an external composite clock synchronized with the network.
5 Section 61104020L4-5, Issue 3 61104020L4-5C Table 1. SW1, SW3, and SW6 Option Settings e c i v r e S e p y Te p y T e p y T e p y Te p y Tn o i t p On o i t p O n o i t p O n o i t p On o i t p O 3 .
6 Section 61104020L4-5, Issue 3 61104020L4-5C Figure 6 displays the position switch settings at network locations. Front Panel Features The U-BR1TE V front panel features a two position DIP switch, a recessed pushbutton, a rotary switch, a bantam jack, and LEDs, as illustrated in Figure 1.
7 Section 61104020L4-5, Issue 3 61104020L4-5C 3. TESTING The U-BR1TE V responds to embedded operation channel loopbacks, including B1, B2, and 2B+D, when configured for D channel operation. When used in B1 configuration (non-D channel modes of operation) the U-BR1TE V will respond to an in-band DS0 DP latching loopback sequence.
8 Section 61104020L4-5, Issue 3 61104020L4-5C The front panel bantam jacks accommodate standard DS0 Logic Testers such as the TPI 108/109 RT II or FIREBERD 4000/6000 which perform both the upstream and downstream testing.
9 Section 61104020L4-5, Issue 3 61104020L4-5C 4. Depress the recessed TEST pushbutton to initiate the test. The TEST LED will illuminate GREEN and the ERR LED should go out following synchronization to the test pattern from the far end.
10 Section 61104020L4-5, Issue 3 61104020L4-5C IDSL/DDS Description The U-BR1TE V may be deployed in the adjacent to customer position to provide transport for DDS/Frame Relay services with an ADTRAN IDSL OCU-R. This allows pair savings over traditional DDS deployment on local loops up to 18 kft of mixed gauge wire.
11 Section 61104020L4-5, Issue 3 61104020L4-5C DS0 DP Loopback EOC Remapping Upon receipt of subsequent DS0 DP loopback codes when the D channel is disabled, the U-BR1TE V remaps the subsequent DS0 DP loopback sequences into the respective ISDN EOC loopback messages.
12 Section 61104020L4-5, Issue 3 61104020L4-5C Performance Monitoring Local Performance Monitoring is available only for the U-interface, when configured for a leased mode of operation. See the subsections entitled Loopback Tests, Point-to-Point Test , and Local Loopback for applicable test descriptions.
13 Section 61104020L4-5, Issue 3 61104020L4-5C During a remote end initiated loopback the system transmits ASC 9Eh toward the network, indicating an out-of-service condition generated by the remote end, as shown in Figures 10 and 11.
14 Section 61104020L4-5, Issue 3 61104020L4-5C 4. MAINTENANCE The ADTRAN U-BR1TE V does not require routine maintenance for normal operation. 5. WARRANTY AND CUSTOMER SERVICE ADTRAN will replace or repair this product within ten (10) years from the date of shipment if it does not meet its published specifications or fails while in service.
デバイスADTRAN D4 U-BR1TE V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：
ADTRAN D4 U-BR1TE V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ADTRAN D4 U-BR1TE V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。ADTRAN D4 U-BR1TE V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。ADTRAN D4 U-BR1TE V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。
ADTRAN D4 U-BR1TE V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ADTRAN D4 U-BR1TE V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、ADTRAN D4 U-BR1TE V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ADTRAN D4 U-BR1TE V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。
