Nortel Networks NN43001-301 - Manual (Page 178)

178 Clock Controller description and installation
16 Insert the replacement card into the selected slot and hook the
locking devices.
17 Connect the reference cables (J1 and J2) and the clock-to-clock
cable (J3) to the replacement card.
18 Set the ENB/DIS switch to ENB on the replacement card.
19 Disable the software and enable the card. At the prompt, enter:
LD 60
DID CC x Disable clock controller card, where x=0 or 1
ENL CC x Enable clock controller card, where x=0 or 1
20 Verify that the card is active. At the prompt, enter:
SSCK x Get status of system clock, where x=0 or 1
**** Exit the overlay
Note: Wait two minutes before proceeding to next step.
21 Activate the new card and verify that it is active. At the prompt enter:
LD60
SWCK Switch system clock from active to standby
SSCK x Get status of system clock, where x = 0 or 1
TRCK PCK Track primary clock, where x = 0 or 1
RCNT Reset alarm counters of all digital cards
**** Exit the overlay
22 Set the clock source to the status it was in before the replacement
procedure.
23 Verify clock switchover and tracking. At the prompt, enter:
SWCK Switch system clock from active to standby
SSCK x Get status of system clock, where x = 0 or 1
**** Exit the overlay
—End—
Nortel Communication Server 1000
ISDN Primary Rate Interface Installation and Commissioning
NN43001-301 02.03 Standard
Release 5.5 7 December 2007
Copyright © 2003-2007, Nortel Networks
.