Cisco 1601 - Router - EN Hardware Installation Manual page 84

ISDN BRI S/T Leased-Line WAN Interface Card
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
ISDN BRI S/T Leased-Line WIC LEDs
The ISDN BRI S/T leased-line WIC LEDs are shown in
described in
Table 11
LED
B1
1
B2
OK
1. Always off for 64 kbps, which is available on B1 only.
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
Routers.
Grounding
Ensure that the equipment you are working with is properly grounded. For instructions on grounding
your WIC, refer to
OL-12844-01
10
WIC-1B-S/T-LL Front Panel
ISDN BRI port
SEE MANUAL BEFORE INSTALLATION
B1 LED B2 LED OK LED
Table 11.
ISDN BRI S/T Leased-Line WIC LEDs
Description
ISDN connection on B1 channel when blinking.
ISDN connection on B2 channel (not used).
ISDN port has established a connection with the central office switch (D channel).
Installing Cisco Interface Cards in Cisco Access
Figure 54.)
BRI
S/T
LL
Figure
Installing Cisco Interface Cards in Cisco Access
ISDN BRI WAN Interface Cards
54. The functions of the LEDs are
Routers.