Avaya Definity SI - Page 1746

Maintenance Object Repair Procedures
555-233-123
10-960 Issue 4 May 2002
Figure 10-50. NFAS Duplex ISDN-PRI Over PACCON Signaling Group (32 Channel)
Packet Bus
Packet Bus
D-Channel
D-Channel
TDM Bus
Processor
(TN786)
Packet
Control
Circuit
Pack
(TN778)
UDS1
Interface
Circuit
Pack
(TN464*)
UDS1
Interface
Circuit
Pack
(TN464*)
UDS1
Interface
Circuit
Pack
(TN464*)
B-Channels
B-Channels
B-Channels
Framing
ISDN-TRK
(B-Channel)
ISDN-TRK
(B-Channel)
ISDN-TRK
(B-Channel)
ISDN-PLK
(D-Channel)
ISDN-TRK
(B-Channel)
Prim ary Signaling
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)
Framing
ISDN-TRK
(B-Channel)
ISDN-TRK
(B-Channel)
ISDN-TRK
(B-Channel)
ISDN-PLK
(D-Channel)
ISDN-TRK
(B-Channel)
Secondary Signaling
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)
Framing
(Port 0)
ISDN-TRK
(B-Channel)
Voice or Data
(Port 1)
ISDN-TRK
(B-Channel)
Voice or Data
(Port 31)
*TN464 C or later
Physical connection
Logical connection