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Table of contents for the manual
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Page 1
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. Page 1 of[...]
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Page 2
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. The 3192–9E is a member of the Charles Industries STS–3192 family of high density span termi[...]
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Page 3
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. The 3192–9E, used as adjunct equipment to the Lightwave Multiplexer , provide[...]
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Page 4
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. T able [...]
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Page 5
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 CODE DETECTOR ESF LB CONTROL L OGIC LB MLB + - ASPR 0-96V -48V 4K PWR LP SC BUFFER AMP - RCV + XMT SURGE PROTEC TION SURGE PROTEC TION AIS GENERATO[...]
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Page 6
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. 3192–9E Front Panel Options Description Feature/Option Location De[...]
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Page 7
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 7.5dB sections, allowing transmit path losses of 0, 7.5 and 15d[...]
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Page 8
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. 3.6 Network Side Signal Detector This detector monitors the unit’s transmit path and looks for signal activity from the[...]
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Page 9
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. Each time a major [...]
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Page 10
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. 6.3 S3 — LOS ALM and AIS Enable/Disable S3 is a two-section dip switch[...]
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Page 11
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. 9. Momentarily operate the 3192–9E front panel MLB push-button switch. The 319[...]
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Page 12
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.com (e-mail) 8.2 T echnical Assistance — Canada Canadian customers contact: 90[...]
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Page 13
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. Ship the equipment, purchase order , and above-listed information, transportation prepaid, to the ser- vic[...]
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Page 14
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 10.1.2. Power (a) INPUT : V oltage Requirements, –42.5 to 56Vdc;[...]