Communication Server Large System Installation and Commissioning

Cabling Common Equipment in a Multi Group system Page 227 of 456
Communication Server 1000M and Meridian 1 Large System Installation and Commissioning
NTRC46BB 1.65 m to 2.4 m (5.5 ft. to 8 ft)*
NTRC46CB 6.7m (22ft)*
Clock to Clock 1 per system NTRC49AA 1.8 m (6 ft)
NTRC49BA 6m (20ft)
FIJI to FIJI Sync 1 per network group NTRC47AA 1.5 m (5 ft)
* Indicates the lengths of the two “Y” terminations.
WARNING
The shortest Fiber Cable must always be used.
The cables from Group 0 to Group 1 must always be
the same length as the cables from the last group
back to Group 0
The delta between the lengths of each fiber ring from
Group 0 to any other group must not exceed 15 m
(50 ft). Rings are directional. Ring 0 is ascending and
Ring 1 is descending.
Table 31
Required cables (Part 2 of 2)
Cable type Quantity Order Code Description