Nortel Communication Server 1000 Manual page 169

Table 91
Installing or replacing the QPC775 or NTRB53 Clock Controller (cont'd.)
Step Action
11
Run and connect cables:
•
Always set the faceplate switch to DISABLE before removing or installing the
CC-to-CC cable (J3 connector), but remember, call processing will cease if the
cable is connected and BOTH Clock Controllers are disabled.
•
Connect Primary reference to J2.
•
If available, connect Secondary reference to J1.
•
Connect cables between Clock Controllers (J3 to J3) for CS 1000M SGand
Meridian 1 PBX 61Conly.
12 Set faceplate toggle switch to ENABLE.
13 Turn off DISABLE LED using LD 60 and the ENL command.
14 Add related office data into switch memory.
15 Repeat steps 2 to 14 for second Clock Controller.
16
To track on a primary or secondary reference clock, use LD 60. The command is:
TRCKPCK (for Primary)
SCK (for Secondary)
FRUN (for Free-Run)
Tracking on a Reference Clock: The Clock Controller will be in free-run mode
when enabled. It should stay in this mode for several minutes before being
switched to tracking mode.
Installing or replacing the QPC775 or NTRB53 on Multi Group System 169
Nortel Communication Server 1000
DASS2 Fundamentals
NN43001-571 04.01 4 June 2010
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