Nortel Networks Passport ARN Routers Manuale Utente
Installing and Operating Passport ARN Routers
C-12
114200-E Rev 00
ISDN BRI S/T Interface
The ARN supports the BRI standard for ISDN using an optional ISDN/BRI
adapter module. The integrated ISDN BRI functionality allows you to connect to
the ISDN network over a terminal adapter through an S/T interface.
adapter module. The integrated ISDN BRI functionality allows you to connect to
the ISDN network over a terminal adapter through an S/T interface.
The BRI implementation supports two dial service applications: dial-on-demand
and dial backup. Configuring Dial Services describes these services and how to
configure them for connection to an ISDN network.
and dial backup. Configuring Dial Services describes these services and how to
configure them for connection to an ISDN network.
lists the ISDN interface pin assignments.
Table C-9.
ISDN BRI S/T Interface Pin Assignments
Pin Assignment
Pin No.
Signal
1
Not used
2
Not used
3
Tx+ (Transmit to wire)
4
Rx+ (Receive from wire)
5
Rx- (Receive from wire)
6
Tx- (Transmit to wire)
7
Not used
8
Not used
1 2 3 4 5 6 7 8