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DEFINITY Enterprise Communications Server Release 6
Maintenance for R6vs/si
555-230-127
Issue 1
August 1997
Maintenance Object Repair Procedures
Page 10-724ISDN-SGR (ISDN-PRI Signaling Group)
10
Figure 10-44. NFAS Duplex ISDN-PRI Signaling Group (24 Channel) over Processor
Interface
TDM BUS
INTERFACE
CIRCUIT
"DEFINITY"
COMMUNICATIONS
SYSTEM
GENERIC 1
PI
CIRCUIT
PACK
(TN765)
DS1/UDS1
PACK
ISDN-TRK
ISDN-TRK
ISDN-LNK
DS1/UDS1
INTERFACE
CIRCUIT
PACK
ISDN-TRK
ISDN-TRK
DS1/UDS1
INTERFACE
CIRCUIT
PACK
ISDN-TRK
LOGICAL CONNECTION
PHYSICAL CONNECTION
D-CHANNEL
VOICE OR
DATA
(PORT 1)
VOICE OR
DATA
(PORT 23)
PRIMARY
SIGNALING
LINK
(PORT 24)
VOICE OR
DATA
(PORT 1)
VOICE OR
DATA
(PORT 24)
VOICE OR
DATA
(PORT 1)
ISDN-TRK
ISDN-LNK
VOICE OR
DATA
(PORT 23)
SECONDARY
SIGNALING
LINK
(PORT 24)
PORT
1
PORT
2
D-CHANNEL