Avaya Communication Server 1000M Series Upgrade page 103

Procedure 23
Moving Clock Controller 0
CAUTION
Service Interruption
Move only Clock Controller 0 at this point in the upgrade.
1 Label and disconnect the Clock Controller 0.
2 Disconnect the NT8D76AC cable from the Clock Controller 0 faceplate
card.
3 If primary and secondary clock reference cables are connected to the
Clock Controller 0 faceplate, disconnect them last.
4 Set the Clock Controller 0 switch settings according to Table 17 on
page 104 (QPC471H, QPC771H) and Table 18 on
5 Disable any ISDN PRI card in the Core module.
The active side Core/Net 1 registers all Network cards in
Core/Net 0 as disabled.
6 Place Clock Controller 0 in Group 0 Network Shelf 0, slot 9.
7 Seat the Clock Controller 0 and faceplate-enable the card.
Performing the upgrade
51C to CS 1000M SG CP PIV Upgrade
Page 103 of 198
page 105 (NTRB53).