NEC Univerge SV8500 Operation And Maintenance Manual page 676

PIR3
MUX
LC/TRK
PIR 2
MUX
LC/TRK
PIR 1
MUX
LC/TRK
PIR 0
MUX
LC/TRK
TSWR
<Symbols>
: Speech Path
: Circuit Card (ACT)
Speech Path Block Diagram (4-IMG [1/2])
IMG0
MUX
LC/TRK LC/TRK
MUX
LC/TRK LC/TRK
MUX
LC/TRK LC/TRK
MUX
LC/TRK LC/TRK
TSW 00
MUX 003
MUX 002
MUX 001
MUX 000
MUX/INT
TSW 10
MUX 100
MUX 101
MUX 102
MUX 103
MUX/INT
: Cable
: Circuit Card (STBY)
CHAPTER 5 Operation Procedure for System with PIR
PIR 3
MUX
LC/TRK
PIR 2
MUX
LC/TRK
PIR 1
MUX
LC/TRK
PIR 0
MUX
LC/TRK
To IMG2
TSW 01
MUX 013
MUX 012
MUX 011
MUX 010
MUX/INT
TSW 11
MUX 110
MUX 111
MUX 112
MUX 113
MUX/INT
– 629 –
IMG1
MUX
LC/TRK LC/TRK
MUX
LC/TRK LC/TRK
MUX
LC/TRK LC/TRK
MUX
LC/TRK LC/TRK
To IMG2 To IMG3 To IMG3
MUX/ MUX/ MUX/ MUX/
INT INT INT INT
TSW TSW TSW TSW
02 12 03 13