Charlesメーカー31929Eの使用説明書/サービス説明書
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Section 319–29E–202 Equipment Issue 2 Third Printing, June 1999 Charles Industries, Ltd. 1999 Charles Industries Ltd. CLEI is a trademark of Bell Communications Research, Inc. All rights reserved. Printed in United States of America. The availability of features and technical specifications herein subject to change without notice.
Section 319–29E–202 2 1. GENERAL 1.1 Document Purpose This document provides general, circuit, and testing information for the Charles Industries Span T ermination Sys- tem (STS) 3192–9E Powering T1 Network Interface Unit (NIU), shown in Figure 1.
Section 319-29E-202 3 2. APPLICA TION ENGINEERING The 3192–9E is ideally suited for use in provisioning T1 High Capacity Digital Service (HCDS) from lightwave-fed building Remote T erminals located at customer premise locations. See Figure 2 for a typical application.
Section 319–29E–202 4 The 3192–9E input current is highly dependent on application. Those applications that require the 3192–9E to power a customer ’s CSU will require a greater input current. T able 1 shows input current and heat release versus the equivalent series simplex resistance (at 60mA) present on the CI side of the unit.
Section 319-29E-202 5 + - 7.5 7.5 XMT LBO L OOPDOWN CONTROL MON RPT RCV MON RPT XMT DSX PREEQ SIGNAL REGEN L OS ALM LIGHTWAVE MUL TIPLEXER S3-1 DISABLE NETWORK SIGNAL DETECTOR NET LOS L OOPBACK COD.
Section 319–29E–202 6 S3 12 S4 DISABLE A I S S1 PWR 7.5 7.5 1 2 O N LP SC S2 LO S ALM R C V X M T R P T M O N R P T M O N WESCOM PWRG T1 NIU 3192-9E 91-31929E 0.6V ISS. 2 FA ESF NET LO S LB CI LO S MLB Figure 6. 3192–9E Front Panel Features and Options Location T able 2.
Section 319-29E-202 7 3.1 Signal T ransmission Paths In the idle (Looped down) mode, the signal from the network is coupled to the unit and routed through the trans- mit pad circuit. Switch S4 mounted on the circuit pack is used to adjust the transmit pad which consists of two cascaded 7.
Section 319–29E–202 8 3.5 T ransmit And Receive Signal Detectors The 3192–9E provides Monitoring Signal Detectors on the transmission paths. These detectors provide a mainte- nance aid for installation and troubleshooting.
Section 319-29E-202 9 4. INSPECTION Inspect the equipment thoroughly upon delivery . If the equipment has been damaged in transit, immediately re- port the extent of damage to the transportation company . Wescom equipment is identified by a model and issue number imprinted on the front panel or located elsewhere on the equipment.
Section 319–29E–202 10 6.2 S2 — Front Panel MLB Push Button S2 is a recessed, front-panel push-button switch used to manually activate or deactivate loopback. Momentarily depress the MLB (Manual Loopback) push-button switch to activate or deactivate a loopback condition.
Section 319-29E-202 11 Step Action Action 8. Momentarily operate the 3192–9E front panel MLB pushbutton switch. The 3192–9E front panel LB LED should light indi- cating that the unit is in Loopback and the TBERD-209 should be receiving the looped back QRSS pattern.
Section 319–29E–202 12 8. TECHNICAL ASSIST ANCE 8.1 T echnical Assistance — U.S. If technical assistance is required, contact Charles Industries’ T echnical Services Center at: 847–806–8500 847–806–8556 (F AX) 800–607–8500 techserv@charlesindustries.
Section 319-29E-202 13 2. Include the following information: – Company name and address – Contact name and phone number – Inventory of equipment being shipped – Particulars as to the nature of the failure – Return shipping address 3.
Section 319–29E–202 14 (c) ESF DA T A LINK: The bit-oriented command and response message 0 001001 0 1 1111111 for 16 milli- seconds to loop up. The bit-oriented command and response message 0 010010 0 1 1111111 for 16 milliseconds to loop down. (d) LOOPBACK TIMEOUT : 20 Minutes 10.
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