Lucent Technologies DDM-2000 OC-12 - BBG11 B 3 DS3 Circuit Pack Block Diagram

363-206-295
Circuit Pack Descriptions
7-34 Issue 1 December 1997
Figure 7-14. BBG11B 3DS3 Circuit Pack Block Diagram
DS3
Driver
Loopback
Loopback
Synchronizer
Desynchronizer
DS3
Receiver
LBO
Protection
Hybrid
Relays
Intrashelf
3 STS-1
-48V A
-48V B
Timing
Control
3 DS3s
To/From
To/From
DSX-3
To/From
From
From
Shelf
-48V Fuses
To/From
SYSCTL
(Service &
Protection)
(Service &
Protection)
TSI CPs
TSI CPs
Companion
CP