Clearing Telephone Faults; Telephone Faults - Nortel Meridian 1 Planning, Installation And Operating Instructions

Possible cause
Defective wiring to
console

Clearing telephone faults

Telephone faults

Option 11C Compact
Chapter 25 — Fault locating and clearing
Action
Make sure wiring is properly connected and wires are not
interchanged, crossed, or grounded
Check the wiring between the console and the cross-connect
terminal
Check the wiring between the PE shelf and the cross-connect
terminal
If there is a wiring problem, correct it.
This section describes how to clear telephone faults.
Components that can cause a telephone fault are:
• the telephone itself or add-on units
• the telephone power supply
• the building wiring
• the cross-connect from the telephone to the line circuit
• the unit on the peripheral line circuit card
• the peripheral line circuit card
• the ringing generator
• the cabinet power supply
If more than one telephone is affected, look for connections such as:
• they are on the same line circuit card
• there is a problem with ringing or tones
Use the following software programs and tests to isolate telephone faults:
• LD 30 to perform signaling tests
• LD 31 to test sets and consoles
Planning, Installation, Fault Clearing and CCBR Guide
Page 517 of 536