Nortel Networks DCT1900 - Manual (Page 325)

Technical Product Manual - DCT1900
Installation Instructions, Modular Cabinet – Cables
Install-DCT1900/R8/mw 26-21
© 2000-2005
26.17 SYNC Cable - TSR 951 284
The sync cable is used on all DCT1900 MS applications that require intersystem handover
between multiple REs with CPU1 boards. REs must be synchronized in order to support the
intersystem handover.
The cable shall be shielded and have a length of 20 ft. Each end of the cable shall be terminated
(crimped) with a 6-pin RJ12 connector. The GND (shield) shall be terminated at each connector
(see Figure 26-20). Delay is .04usec.
Fig. 26–20 Wiring Diagram External Sync Cable
6
5
4
3
2
1 1
2
3
4
5
6
GND(shield)
A
B
SYNC
OUT SYNC
IN