363-206-295
Circuit Pack Descriptions
7-48
Issue 1
December 1997
Figure 7-20. BCP3 Circuit Pack Block Diagram
Clock
Frame
Power
Circuit
Control
Circuit
Intrashelf Control
12 STS-1
12 STS-1
12 STS-1
12 STS-1
Timing
Circuits
Cross-
Connect
Circuitry
TSI Clock & Frame
From
Companion
From
Units
To
Function
Units
From
-48 V Shelf
Fuses
To/From
SYSCTL
TSI
Function
Clock & Frame
To
To Main B
(Service &
Protection)
From Main B
(Service &
Protection)
TGS Clock & Frame
From TGS
(Service &
Protection)
-48 V (A)
-48 V (B)
Function Units - (Service & Protection)
Main B - (Service & Protection)
Companion TSI
Flexible