Lucent Technologies DDM-2000 OC-3

363-206-285
Circuit Pack Descriptions
Issue 3 June 2001
7-5
Figure 7-2. BBG8/BBG8B SYSCTL Circuit Pack Block Diagram
LED
CIT
AUXCTL
Fault
Timer
Processor
7-Segment
LED Display
FE and Update/
Initialize
Buttons
User Panel LED's
and ACO Button
Office
Alarms
Fan
Control
Power
Monitor
Power
Circuit
Interface
User
Interfaces
Memory
Intrashelf
Control
Internal
Interfaces
Main Processor Bus
Intershelf
Control
Sanity
-48 V (A)
-48 V (B)
Miscellaneous
Discretes
Inputs/Outputs