
ISDN BRI Adapter Module
Supplement
2-2
303125-B Rev 00
Attaching Cables
Connect the ISDN service cable to the RJ-48C connector on the installed ISDN
BRI adapter module.
You install the ISDN BRI adapter module in one of the two front-panel WAN
adapter module slots (Figure 2-1). See Installing and Operating BayStack ARN
Routers for the complete installation procedure.
Figure 2-1. ARN ISDN BRI Adapter Module (Slot 1)
Note:
ISDN BRI adapter modules with an S/T interface provide connection to
the ISDN network through a terminal adapter. Modules with a U interface
allow you to connect directly to the ISDN network switch.
To
ISDN
network
1
2
Tx
Rx
Cl
Tx
Rx
Cl
10BaseT
Ethernet 1
10BaseT
Ethernet 2
ARN0064A
ARN front panel
COM
U
D
DD
B1
B2
RLSD
Serial
ISDN BRI
with NT1
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