User's Manual

DEFINITY Enterprise Communications Server Release 6
Maintenance for R6vs/si
555-230-127
Issue 1
August 1997
Maintenance Object Repair Procedures
Page 10-728ISDN-SGR (ISDN-PRI Signaling Group)
10
Figure 10-49. NFAS Simplex ISDN-PRI Over PACCON Signaling Group (32 Channel)
Packet Bus
D-Channel
TDM Bus
Processor
(TN 786)
Packet
Control
Circuit
Pack
(T N 7 78 )
UDS1
In terface
Circuit
Pack
(TN464*)
UDS1
In terface
Circuit
Pack
(TN464*)
UDS1
In terface
Circuit
Pack
(TN464*)
B-Channels
B-Channels
B-Channels
Fram ing
ISDN-TRK
(B-Channel)
ISDN-TRK
(B-Channel)
ISDN-TRK
(B-Channel)
ISDN-PLK
(D-Channel)
ISDN-TRK
(B-Channel)
P rim a ry S ig n a lin g
Link
Voice or Data
Voice or D ata
Voice or D ata
Voice or D ata
(Port 0)
(Port 1)
(Port 15)
(Port 16)
(Port 17)
(Port 31)
Fram ing
(Po rt 0 )
ISDN-TRK
(B-Channel)
Voice or Data
(Port 1)
ISDN-TRK
(B-Channel)
Voice or D ata
(Port 31)
Fram ing
(Po rt 0 )
ISDN-TRK
(B-Channel)
Voice or Data
(Port 1)
ISDN-TRK
(B-Channel)
Voice or D ata
(Port 31)
*TN464 C or later
Physical connection
Logical connection