Final Maintenance Procedure - Nortel Meridian 1 Planning, Installation And Operating Instructions

Page 534 of 536

Final maintenance procedure

553-3121-210 Standard 3.0
Chapter 25 — Fault locating and clearing
Refer to Procedure 85 and perform the final maintenance procedure to verify
that the Meridian 1 Option 11C Compact is operating properly and there are
no remaining faults.
Procedure 85
Final maintenance procedure
1 Make sure all circuit cards that may have been removed are reinserted
in their assigned location and enabled.
2 Make sure all wiring and connectors that may have been disconnected
are reconnected.
3 Make sure all circuit cards and units that should be enabled are
enabled. Digital telephones on a circuit card that was disabled may not
be restored when the card is enabled. Each telephone should be
individually disabled and re-enabled through LD 32 (commands
DISU c u to disable and ENLU c u to enable, where "c" and "u" are the
circuit card and unit numbers). Service may also be restored by
disconnecting and reconnecting the telephone line cord.
4 Make sure all circuit breakers are set to ON and any fuses (in power
panels or auxiliary equipment) are inserted.
5 Clear fault indicators by entering LD 135
To clear a major alarm indication and restore Power Fail Transfer Units
(PFTUs) to normal operation, enter
CMAJ
To clear all minor alarm indications, enter
CMIN ALL
6 Set the midnight routine to run after you log out of the system by
entering
MIDN
End the session in LD 135 and log out of the system
****
LOGO
(the midnight routine will now run)
7 Check system messages produced when the midnight routine runs.
Clear any faults indicated.
January 1999