ISDN BRI WAN Interface Cards
ISDN BRI U WAN Interface Cards
5
OL-12844-01
To connect an ISDN BRI S/T WIC to a network, follow these steps:
Step 1 Confirm that the router is turned off.
Caution To comply with the Telcordia GR-1089 NEBS standard for electromagnetic compatibility and safety,
connect the 1-port ISDN BRI WIC with S/T interface, version 3 (WIC-1B-S/T-V3) only to intra-building
or non-exposed wiring or cabling. The intrabuilding cable must be shielded and the shield must be
grounded at both ends.
Step 2 Connect one end of a straight-through RJ-48C-to-RJ-48C cable to the RJ-48C port on the ISDN BRI S/T
WIC.
Step 3 Connect the other end of the cable to the NT1 device, as shown in Figure 48.
Figure 48 Connecting an ISDN BRI S/T WIC to an NT1 Device
Step 4 Connect the NT1 device to the ISDN wall jack according to the documentation that came with the NT1
device.
Step 5 Turn on power to the router.
Step 6 Check that the OK LED goes on, which indicates that the ISDN port has established a connection with
the central office switch.
ISDN BRI U WAN Interface Cards
This section describes how to connect ISDN BRI U WICs to a network and contains the following
sections:
• ISDN BRI U WICs Overview
• ISDN BRI U WIC LEDs
• Prerequisites for Connecting an ISDN BRI U WIC to a Network
• Connecting an ISDN BRI U WIC to a Network
NT1 device
Straight-through
RJ-48C-to-RJ-48C
cable
BRI S/T port (RJ-48C)
S/T port
BRI
S/T
S
E
E
M
A
N
U
A
L
B
E
F
O
R
E
IN
S
T
A
L
L
A
T
IO
N
B1
B2
OK
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