Procedure 20 Remove Old Equipment - Nortel 1000 Installation And Commissioning Manual

Upgrade to an NTRB53 Clock Controller on a Single Group and Multi
Group System
Follow these procedures to replace the existing clock controller with the
NTRB53 Clock Controller on Large Systems.
Procedure 20
Remove old equipment
Step
1
2
3
Copyright © 2003-2007, Nortel Networks
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Note: The NTRB53 Clock Controller cannot be combined with a
QPC775 or a QPC471 card in one system.
Action
Ensure the clock controller card being removed for dual core
systems is on the inactive core. If you need to switch cores go to
LD 135 and enter:
LD 135
SCPU Switch cores
**** Exit the overlay
Disable the QPC775 or QPC471 Clock Controller card. At the
prompt, enter:
LD 60 Load the program
SSCK x Get status of system clock where x = 0 or 1
Switch clocks if the clock is active at the prompt, enter:
SWCK Switch system clock from active to standby
SSCK x Get status of system clock where x = 0 or 1
Ensure the other clock controller is active and in the free run mode. At
the prompt, enter:
SSCK x Get status of system clock where x = 0 or 1
TRCK Set clock controller tracking to free run
FRUN
Disable the clock controller card you are removing. At the prompt,
enter:
DIS CC x Disable system clock controller where x = 0 or 1
Nortel Communication Server 1000
ISDN Primary Rate Interface Installation and Commissioning
NN43001-301 02.03 Standard
Release 5.5 7 December 2007
Installation procedures 175