AT&T 3.0 manual Maintenance and Troubleshooting IN-3

Index

I

Incoming trunk, 5-4Interlocking post, 4-3- 4-4Internal loopback test

errors, 4-49

interpreting results, 4-49procedure, 4-46- 4-48summary, 4-45- 4-46

J

Jack assignment, 1-23

K

Key mode, 1-27

L

LEDs, 4-86- 4-87,4-88- 4-89Line noise, 1-6

M

Maintenance programming

on-site, 1-3- 1-5remote, 1-6- 1-7strategy, 1-18- 1-26

terminal, 1-1- 1-2tools, 1-2

Maintenance-busy causes, 5-6overview, 5-4- 5-5status

extension, 5-9- 5-11trunk, 5-7 - 5-9

Memory card inserting, 4-20- 4-21messages, 4-26- 4-28

MLX telephone display buttons, 3-8tests, 3-6- 3-8

MLX-20L console failure, 1-3

setting up diagram, 1-4procedure, 1-3

Modem

dialing, 1-10- 1-11resetting, 5-22- 5-24

Module problems 100D, 4-70- 4-85persistent, 4-37

Module tests

busy-out or reset, 4-35,4-37- 4-42component check, 4-35

notes, 4-35overview, 4-33- 4-34procedure, 4-36process, diagram, 4-34

Modules, replacing, 4-58- 4-59

N

No dial tone, 3-8

Maintenance and Troubleshooting IN-3