NEC Univerge SV8500 Operation And Maintenance Manual page 85

Figure 1-18 Speech Path Block Diagram (4-IMG) (1 of 2)
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)
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
: External Cable
: Circuit Card (STBY)
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/
MUX 013
MUX 012
MUX 011
MUX 010
MUX/INT
TSW 11
MUX 110
MUX 111
MUX 112
MUX 113
MUX/INT
TSW: PH-SW12
MUX: PH-PC36
– 38 –
CHAPTER 1
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/
INT INT INT INT
TSW TSW TSW TSW
02 12 03 13
General