Nortel Networks NN43001-301 Manual de usuario descargar pdf (Pagina 176)

176 Clock Controller description and installation

Set the ENL/DIS switch to DIS on the card you are removing.

Tag and disconnect the cables to the card you are removing.

6 Unhook the locking devices on the card and pull it out of the card

cage.

—End—

Follow these procedures to install new equipment with Clock Controller on

Large Systems.

Procedure 21

Installing new equipment

Step Action

Set the ENB/DIS switch to DIS on the replacement card.

Set the option switches on the replacement card (NTRB53). Refer to

Table 67 "Clock Controller switch settings for NTRB53" (page 170).

Insert the replacement card into the vacated slot and hook the

locking devices.

Connect the reference cables (J1 and J2) to the replacement card.

CAUTION

Clock-to-Clock cable J3 should never be connected

between the old clock (QPC471 or QPC775) and the new

clock (NTRB53).

5 Set the ENB/DIS switch to ENB on the replacement card.

Software enable the card. At the prompt, enter

LD 60

ENL CC x Enable clock controller card, where x = 0 or 1

Verify that the card is active. At the prompt, enter:

SSCK x Get status of system clock where x = 0 or 1

**** Exit the overlay

Switch to the core with the new clock. At the prompt, enter:

Nortel Communication Server 1000

ISDN Primary Rate Interface Installation and Commissioning

NN43001-301 02.03 Standard

Release 5.5 7 December 2007

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Nortel Networks NN43001-301 Manual de usuario Pagina 176