NEC SV8500 Operation And Maintenance Manual - page 311
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CHAPTER 3
System Messages
When type of connection is Trunk connection
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Station number (See table.)
Remote Route number
Remote Route number
Called Trunk number
Time Slot Number of Link 1
Time Slot Number of Link 2
b7
b6
b5
b4
b3
b2
b1
b0
b7
b6
b5
b4
b3
b2
b1
b0
b7
b3
b2
b1
b0
b7
b6
b5
b4
b3
b2
b1
b0
b4-b7
b0-b3
DC0
DC1
DC2
DC3
DC4
DC5
2
3
4
2
4
b0-b5: Route (1-63)
b6:
OP
0/1 = Data in OPRT is invalid/valid
b7:
AC
0/1 = Internal trunk/External trunk
5
b0-b3: OPRT Route (Over 64)
6
b0-b7: Trunk number
7
9
11