ISDN BRI WAN Interface Cards
ISDN BRI S/T WAN Interface Cards
2
OL-12844-01
ISDN BRI S/T WICs Overview
The ISDN BRI S/T WICs connect to an ISDN network through an external NT1 device. This interface
is also known as an S/T interface. There are three ISDN BRI S/T WICs:
Note You can distinguish between WIC36 and WIC models of an ISDN BRI WIC by the location and labeling
of the LEDs and by the number and location of cutouts in the faceplate.
• 1-port ISDN BRI WIC with S/T interface (WIC36-1B-S/T) (see Figure 44)
• 1-port ISDN BRI WIC with S/T interface (WIC-1B-S/T) (see Figure 45)
• 1-port ISDN BRI WIC with S/T interface, version 3 (WIC-1B-S/T-V3) (see Figure 46)
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.
Figure 44 WIC36-1B-S/T Front Panel
Figure 45 WIC-1B-S/T Front Panel
Figure 46 WIC-1B-S/T-V3 Front Panel
BRI
S/T
B1
B2
SEE MANUAL BEFORE INSTALLATION
LEDs
BRI S/T port
41225
BRI S/T port
41221
BRI
S/T
SEE MANUAL BEFORE INSTALLATION
B1
B2
OK
BRI S/T port
95120
WIC
1B-S/T
V3
SEE MANUAL
BEFORE INSTALLATION
B1 B2 OK
ISDN BRI S/T
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