Telenetics Modular Nest Manuale Utente

Part No. TEL–09949, Rev A

June 2001

Page 1 of 34

326X SERIES MODEM

Modem Cards, Backplanes, and Modular Nest 9 and 21 Enclosures

In This Notice

Topic

See Page

Introduction ...............................................................................................

About the 326X Series Modem Documentation Set.............................

For More Details on the 326X Modem’s... ...........................................

Safety Information.........................................................................................

Warning Description .................................................................................

Connecting Port Warning ..........................................................................

Installation Warning ..................................................................................

Pre-Installation Information and Activities ...................................................

326X Series Modem Cards and Backplanes .............................................

326X Series Modem Cards ...................................................................

326X Series Modem Card Backplanes .................................................

Stand-alone Modems and Enclosure Cards: Differences ..........................

A/B Switching and the A/B LED .........................................................

ALM LED.............................................................................................

Telephone Company Compliance—U.S.A. Models .................................

Backplane Jumpers for the Busy Out Feature...........................................

Hong Kong and the United Kingdom ...................................................

Countries That Support Busy Out.........................................................

How and When is Make Busy Activated? ............................................

Setting the Modem Card DIP Switch........................................................

Cabling the 3262 and the 3267 (Dual Dial) Modem Cards ......................

Cabling the 3263 and the 3268 (Leased Line, Dial Restoral) Modem Cards 15
Attaching Ferrite Beads (U.S.A., Canada, and Japan Only) .....................

Removing Audio Cable Connectors From a Modem Backplane..............

326X Series Modem—Cabling to a Network Manager............................

Setting Control Across Groups .............................................................

Example ................................................................................................

Cautions and Limitations for Network Management Cabling..............

Daisy-Chaining NC Ports: Card Modems to Stand-alone Modems .....

Preparing the 9110 DMS for 326X Series Card Modems ....................

326X Modem Card Power Supply Requirements in 21-Card Enclosure..

Removing and Installing a Backplane in Modular Nest 9 or 21 Enclosure ..

Removing a 326X Backplane....................................................................

Installing or Replacing a 326X Backplane................................................