User's Manual

DEFINITY Enterprise Communications Server Release 5
Maintenance and Test for R5vs/si
555-230-123
Issue 1
April 1997
Maintenance Object Repair Procedures
Page 10-799ISDN-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 te rface
Circuit
Pack
(TN464*)
UDS1
In te rface
Circuit
Pack
(TN464*)
UDS1
In te rface
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 ign a lin g
Link
Voice or Data
Voice or Data
Voice or Data
Voice or Data
(Port 0)
(Port 1)
(Port 15)
(Port 16)
(Port 17)
(Port 31)
Fram ing
(Po rt 0)
ISDN-TRK
(B-C hannel)
Voice or Data
(Port 1)
ISDN-TRK
(B-C hannel)
Voice or D ata
(Port 31)
Fram ing
(Po rt 0)
ISDN-TRK
(B-C hannel)
Voice or Data
(Port 1)
ISDN-TRK
(B-C hannel)
Voice or D ata
(Port 31)
*TN464 C or later
Physical connection
Logical connection