Chapter 25 — Fault locating and clearing
Page 523 of 536
Option 11C Compact
Planning, Installation, Fault Clearing and CCBR Guide
Symptom:
One end cannot hear or cannot be heard
The person at the far end can hear you but you cannot hear them or the person
at the far end cannot hear you but you can hear them. Look up all system
messages in the Option 11C Compact software guide and follow the
instructions given. If the fault does not clear, use this procedure.
Constantly observe and look up system messages as you perform this
procedure.
You may need to replace:
•
Peripheral Equipment (PE) circuit card
•
Telephone handset
•
Telephone
Defective telephone
Disconnect the telephone from the jack. Plug in another
telephone of the same type.
If the replacement telephone works, replace the telephone you
removed.
If the replacement telephone does not work, reconnect the
original telephone and go to the next possible cause.
Note: If the telephone is a Meridian Digital Telephone, enter
LD 32
IDU c u
If there is no response, replace the telephone.
Defective wiring
Make sure wiring is properly connected and wires are not
interchanged, crossed, or grounded.
Check the wiring between the telephone 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.
Possible cause
Action
Summary of Contents for Meridian Meridian 1
Page 3: ...553 3121 210 Standard 3 0 January 1999 ...
Page 17: ...xiv Contents 553 3121 210 Standard 3 0 January 1999 ...
Page 97: ...Page 78 of 536 Chapter 8 Installing a new system 553 3121 210 Standard 3 0 January 1999 ...
Page 107: ...Page 88 of 536 Chapter 10 Installing the system ground 553 3121 210 Standard 3 0 January 1999 ...
Page 113: ...Page 94 of 536 Chapter 11 Installing the power supply 553 3121 210 Standard 3 0 January 1999 ...
Page 125: ...Page 106 of 536 Chapter 12 Adding an expansion cabinet 553 3121 210 Standard 3 0 January 1999 ...
Page 209: ...Page 190 of 536 Chapter 18 Connecting the trunks 553 3121 210 Standard 3 0 January 1999 ...
Page 323: ...Page 304 of 536 Chapter 21 Installing Hospitality 553 3121 210 Standard 3 0 January 1999 ...
Page 419: ...Page 400 of 536 Chapter 23 Pre programmed data 553 3121 210 Standard 3 0 January 1999 ...
Page 555: ...Page 536 of 536 Chapter 25 Fault locating and clearing 553 3121 210 Standard 3 0 January 1999 ...