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CHAPTER 5 Operation Procedure for System with PIR
Figure 5-12 Unit Control Block Diagram (Single Configuration)
Figure 5-13 MUX Card Locations
LC/TRK
LC/TRK
PM
Line/
Trunk
Circuit Card
MUX
TSW
Clock
Speech
Path
(A)
Control of
TP
MUX card is mounted in Slot 13
and/or 14 of each PIR. Note
MUX 0
MUX 1
UNIT = 2
UNIT = 3
PIR 3
13
Front View
14
MUX 0
MUX 1
UNIT = 0
UNIT = 1
PIR 2
13
14
MUX 0
MUX 1
UNIT = 2
UNIT = 3
PIR 1
13
14
MUX0
MUX1
UNIT = 0
UNIT = 1
PIR 0
13
14
Note: TSW circuit card is used for 1-IMG PIR 0.
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