ISDN BRI WAN Interface Cards
ISDN BRI S/T Leased-Line WAN Interface Card
10
OL-12844-01
ISDN BRI S/T Leased-Line WICs Overview
The 1-port ISDN BRI S/T leased-line WIC (WIC-1B-S/T-LL) provides a single B channel operating in
leased-line mode at 64-kbps. (See
Figure 54
.)
Figure 54
WIC-1B-S/T-LL Front Panel
ISDN BRI S/T Leased-Line WIC LEDs
The ISDN BRI S/T leased-line WIC LEDs are shown in
Figure 54
. The functions of the LEDs are
described in
Table 11
.
Prerequisites for Connecting an ISDN BRI S/T Leased-Line WIC to a Network
Before connecting a WIC to the network, ensure that the WIC is installed in the router, the equipment is
properly grounded, and you have the proper cables for connecting the WIC to the network. This section
describes the preparation necessary before connecting an ISDN BRI U WIC to the network.
Installing a Cisco ISDN BRI S/T WAN Interface Card
Install the Cisco WIC according to the instructions in
Installing Cisco Interface Cards in Cisco Access
Routers
.
Grounding
Ensure that the equipment you are working with is properly grounded. For instructions on grounding
your WIC, refer to
Installing Cisco Interface Cards in Cisco Access Routers
.
BRI
S/T
LL
SEE MANUAL BEFORE INSTALLATION
41216
B1 LED B2 LED
ISDN BRI port
OK LED
Table 11
ISDN BRI S/T Leased-Line WIC LEDs
LED
Description
B1
ISDN connection on B1 channel when blinking.
B2
1
1.
Always off for 64 kbps, which is available on B1 only.
ISDN connection on B2 channel (not used).
OK
ISDN port has established a connection with the central office switch (D channel).
