Manuale d’uso / di manutenzione del prodotto 31929E del fabbricante 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.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Charles 31929E è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Charles 31929E - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Charles 31929E imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Charles 31929E ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Charles 31929E, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Charles 31929E.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Charles 31929E. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Charles 31929E insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
