Cisco 1601 - Router - EN Hardware Installation Manual page 76

ISDN BRI S/T WAN Interface Cards
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:
You can distinguish between WIC36 and WIC models of an ISDN BRI WIC by the location and labeling
Note
of the LEDs and by the number and location of cutouts in the faceplate.
•
•
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To comply with the Telcordia GR-1089 NEBS standard for electromagnetic compatibility and safety,
Caution
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
Figure 45
Figure 46
WIC
1B-S/T
V3
OL-12844-01
2
1-port ISDN BRI WIC with S/T interface (WIC36-1B-S/T) (see
1-port ISDN BRI WIC with S/T interface (WIC-1B-S/T) (see
1-port ISDN BRI WIC with S/T interface, version 3 (WIC-1B-S/T-V3) (see
WIC36-1B-S/T Front Panel
BRI S/T port
LEDs
B1
B2
SEE MANUAL BEFORE INSTALLATION
WIC-1B-S/T Front Panel
BRI S/T port
SEE MANUAL BEFORE INSTALLATION
WIC-1B-S/T-V3 Front Panel
BRI S/T port
SEE MANUAL
BEFORE INSTALLATION
B1 B2 OK
ISDN BRI S/T
BRI
S/T
BRI
S/T
ISDN BRI WAN Interface Cards
Figure 44)
Figure 45)
Figure 46)