Nortel Communication Server 1000S Installation And Configuration Manual page 214

Page 214 of 394
553-3001-201 Standard 2.00
Clock Controller description and installation
a. Set the old card's faceplate ENL/DIS switch to DIS.
b. Disconnect the cables from the old clock controller card and remove
it from the shelf.
6 Install the new clock controller in the selected slot.
7 Run and connect the cables
a. Connect the primary reference to J2.
b. Connect the secondary reference to J, if available.
c. Connect the cable from J3 on each controller card to the junctor
group connector.
8 Set the faceplate ENL/DIS switch to ENL.
9 Execute the ENL CC X command in LD 60. The faceplate LED should go
to the OFF state.
10 Set the error detection thresholds and clock synchronization controls in
LD 73. (Optional if replacing card; required with new installation.)
11 Track on a primary or secondary reference clock, use LD 60. The
command follows:
TRCK PCK
SCLK
FRUN
12 Issue the status check command, SSCK.
13 (Optional) Wait two minutes before activating the newly installed clock
controller with the LD 60 SWCK command.
Note: This allows a smooth transition of the clock controller upgrade.
14 Repeat for the second clock controller, if necessary.
September 2004
(for primary)
(for secondary)
(for free-run)
End of Procedure