Chapter 25 — Fault locating and clearing
Page 533 of 536
Option 11C Compact
Planning, Installation, Fault Clearing and CCBR Guide
Defective PE circuit
card
Software disable the telephone TN by entering
LD 32
DISU c u
(“c u” represents card and unit number)
Disconnect wiring between the PE circuit card and the cross-connect
terminal.
Re-enable and test the TN by entering
ENLU c u
Wait for an OVD message. If you receive a message indicating a
problem with the circuit card or unit, replace the circuit card.
If you do not receive a message indicating a problem with the circuit
card or unit, reconnect the wiring and go to the next possible cause.
Defective Ringing
Generator
If several sets on different circuit cards in the same cabinet are
affected, replace the NTMW11 power supply in the cabinet.
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 ...