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3
Install the new Clock Controller in the selected slot.
4
Connect the cables to the new card.
— Connect the primary reference to J2.
—
If applicable, connect the secondary reference to J1.
5
Set the faceplate ENL/DIS switch to ENL (enable).
6
Enable the Clock Controller by entering ENL CCx in LD 60.
7
Set the error detection thresholds and clock synchronization control in
LD 73. (Optional if replacing card; required with new installation.)
8
To track on a primary or secondary reference clock, use LD 60. Use
the following command:
TRCK PCK
SCLK (for secondary)
FRUN (for free-run)
9
Issue the SSCK command to check controller status.
Clock Controller Installation
(for primary)
Page 81 of 188
ISDN PRI
Installation
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