Avaya Definity SI - Page 1740

Maintenance Object Repair Procedures
555-233-123
10-954 Issue 4 May 2002
Figure 10-43. NFAS Duplex ISDN-PRI Signaling Group (24 Channel) over Processor
Interface
Switch
PI
circuit pack
(TN765)
D-channel
D-channel
TDM bus
Logical connection
Physical connection
DS1/UDS1
interface
circuit pack
Port
1
Port
2
r11h2p7 LJK 072501
DS1/UDS1
interface
circuit pack
DS1/UDS1
interface
circuit pack
Voice or
data
(port 1)
Voice or
data
(port 1)
Voice or
data
(port 1)
Voice or
data
(port 23)
Voice or
data
(port 23)
Voice or
data
(port 24)
Primary
signaling
link
(port 24)
Secondary
signaling
link
(port 24)
ISDN-TRK
ISDN-TRK
ISDN-TRK
ISDN-TRK
ISDN-TRK
ISDN-TRK
ISDN-LNK
ISDN-LNK