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6
Execute the ENL CC X command in LD 60. The faceplate LED should
go to the OFF state.
7
Enable the Clock Controller by entering ENL CC x in LD 60.
8
Set the error detection thresholds and clock synchronization controls
in LD 73. (Optional if replacing card; required with new installation.)
9
To track on a primary or secondary reference clock, use LD 60. The
command follows:
TRCK PCK
SCLK (for secondary)
FRUN (for free-run)
10
Issue the status check command, SSCK.
11
(Optional) Activate the newly installed Clock Controller with the LD 60
SWCK command.
12
Repeat, if necessary, for the second Clock Controller.
Clock Controller Installation
(for primary)
Page 85 of 188
ISDN PRI
Installation
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