Avaya MERLIN MAGIX Maintenance And Troubleshooting Manual page 8

Maintenance and Troubleshooting
3 Telephone Problems
Overview .......................................................................................................................
Fixing Telephone Problems ..........................................................................................
Single-Line Telephone Problems ..................................................................................
Call Forwarding Problems.............................................................................................
4400-Series Telephones Test .......................................................................................
MLX Telephone Tests ..................................................................................................
Station Responding Test...............................................................................................
Touch Tone Receiver Problems ...................................................................................
4 Control Unit Problems
Overview .......................................................................................................................
Backing Up System Programming ................................................................................
Power Supply Problems................................................................................................
Processor Problems...................................................................................................
Module Problems .......................................................................................................
MERLIN Messaging Module Problems .......................................................................
Computer Telephony Integration (CTI) Link Problems...............................................
Carrier Problems .........................................................................................................
Checking System and Slot Status...............................................................................
Slot Status...................................................................................................................
5 Central Office and Private Network Problems
Overview .......................................................................................................................
Trunk Errors ..................................................................................................................
Checking Ports.............................................................................................................
Private Network Calling Problems ..............................................................................
Troubleshooting Guidelines and Preparation..............................................................
6 Tests
Module Test Process ....................................................................................................
Busy-Out and Reset.....................................................................................................
Internal Loopback Test ................................................................................................
Board Controller Test ...................................................................................................
B-Channel Loopback Test .........................................................................................
ii Master TOC
3-1
3-1
3-3
3-4
3-4
3-6
3-7
3-8
4-1
4-1
4-2
4-12
4-18
4-27
4-28
4-32
4-33
4-34
5-1
5-1
5-6
5-10
5-10
6-1
6-3
6-7
6-9
6-11