NEC UNIVERGE SV8500 - Trunk Control

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CHAPTER 5 Operation Procedure for System with PIR
3.2.2 Trunk Control
Trunk circuit cards are controlled from the CPU via the MUX. Each trunk line in a specific trunk circuit
card is controlled by the Port Microprocessor (PM) in a trunk circuit card. Figure 5-7 shows the control
route of the trunk circuit card.
Figure 5-7 Controlling Trunk Circuit Cards and Speech Path
Note:
CFT for eight party is mounted within the TSW and MUX circuit card.
TRK
TDSW/INT
TSW
MDF
LT Cable
LT Cable
Control Signal
Speech Path
COT/TLT
Symbols:
: Circuit Card : Speech Path
: Control Signal
TRK
PM
MUX
TRK
Control Signal
Speech Path
ORT/SND
TRK
PM
CFT
TRK
Control Signal
Speech Path
ORT/SND
TRK
PM
MUX
Control Signal
Speech Path
CFT
Network
TRK
LT Cable
LT Cable
COT/TLT
TRK
PM
SV8500 Server
MG
MG
NETWORK
Note
Note