Instruction/ maintenance manual of the product 31929E Charles
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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.
An important point after buying a device Charles 31929E (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Charles 31929E yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Charles 31929E - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Charles 31929E you will learn all the available features of the product, as well as information on its operation. The information that you get Charles 31929E will certainly help you make a decision on the purchase.
If you already are a holder of Charles 31929E, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Charles 31929E.
However, one of the most important roles played by the user manual is to help in solving problems with Charles 31929E. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Charles 31929E along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
