Cabling Common Equipment in a Multi Group system Page 235 of 456

Connecting the Clock Controller cables

Two Clock Controller cards are required in each system. These cards synchronize Large System functions. Figure 100 on page 236 shows the two Clock Controllers installed in a two-column system.

The Clock Controllers Cards must be installed as directed in the following three rules.

1Two Clock Controller cards must be installed in each system. The Clocks must be connected to each other and to the FIJI cards in Network Group 0.

2One Clock Controller must be installed in Network Shelf 0, slot 13. A second Clock Controller must be installed in Network Shelf 1, slot 13.

3Clock Controllers should be installed in different Network groups if possible.

IMPORTANT!

The Clock Controller cannot be installed in the Core/Net shelf.

Communication Server 1000M and Meridian 1 Large System Installation and Commissioning

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Nortel Networks 1000M warranty Connecting the Clock Controller cables