8-100
Common Control Cards
Coral FlexiCom 6000 Installation Manual
PB-A
T
S
Peripheral Buffer Unit
8
Figure 8-32
32GC and
Peripheral Shelf System
Block Diagram
In this configuration full duplication until the level of the PB-ATS card exists. The
PB-ATS card in slot 1 supports the HDLC channel A of the peripheral shelf. The
PB-ATS card in slot 2 supports the HDLC channel B. The voice port for peripheral cards
is supported only from the
Active
32GC. The
Active
PB-ATS card provides the HDLC
and PCM signals for the odd shelf via the PBD24S card. A fault in the PB-ATS card is
detected by the
Active
32GC.
Recognizing Time Slot Configurations
Each PB-ATS supports 128 or 512 PCM time slots, depending on the Peripheral Shelf
Unit backplane type. The 32GC card automatically identifies whether the Peripheral
Sec
External
Sync.
Active
Standby
32GC
Prm
External
Sync.
32GC
MPG-ATS
Digital
Trunk
PBD24S
PB-ATS
Slot
#1
Slot
#1
Even Shelf
Odd Shelf
PB-ATS
Slot
#2
Peripheral Shelf Unit
PBD-ATS
Digital
Trunk
PBD24S
PB-ATS
Slot
#1
Slot
#1
Even Shelf
Odd Shelf
PB-ATS
Slot
#2
Peripheral Shelf Unit
PBD-ATS
Maximum of 8 Peripheral Shelf Units
PCM
Highways
PCM
Highways
........