Nortel Meridian 1 Replacement Manual page 268

Page 268 of 362
553-3001-520 Standard 16.00 April 2000
Replacing equipment
Make sure the card you are removing is disabled and the other
clock controller card is active and in free run mode.
SSCK x
TRCK FRUN
Disable the clock controller card you are removing.
DIS CC x
3 Set the ENB/DIS switch to DIS on the card you are removing.
To avoid interrupting service, set ENB/DIS switches to DIS before
disconnecting or connecting cables.
4 Tag and disconnect cables to the card you are removing.
5 Unhook the locking devices on the card; pull it out of the card cage.
Installing equipment
1 Set the ENB/DIS switch to DIS on the replacement card.
2 Set option switches on the replacement card. If there is a vintage change,
be sure to check Circuit Card: Installation and Testing (553-3001-211)
for any differences.
3 Insert the replacement card into the vacated slot and hook the locking
devices.
4 Connect cables to the replacement card.
5 Set the ENB/DIS switch to ENB on the replacement card.
6 Software enable the card:
ENL CC x
Note: With a vintage H clock controller card, do not issue the tracking
(TRCK) or status (SSCK) commands at this time. If you do issue these
commands, the system may respond with an inaccurate error condition.
"x" is the card number—0 or 1
CAUTION