The 1-port ISDN BRI S/T leased line WAN interface card (WIC)
(WIC-1B-S/T-LL) is designed specifically for the Cisco 1603 R and 1604 R
routers. It is intended for users who require a dialup ISDN BRI line (from the
Cisco 1603 R or 1604 R router's built-in ISDN port) and an ISDN leased line
(from this ISDN BRI leased line WIC inserted into the Cisco 1603 R or 1604 R
The graphic below shows the WIC-1B-S/T-LL.
There are no specific prerequisites for this document.
Please refer to the Platform Support
section for detailed information.
The information presented in this document was created from devices in
a specific lab environment. All of the devices used in this document started
with a cleared (default) configuration. If you are working in a live network,
ensure that you understand the potential impact of any command before using
For more information on document conventions, see the
Technical Tips Conventions.
WIC-1B-S/T-LL - One Port ISDN BRI S/T Leased Line WAN Interface Card
The following lists the features related to the WIC-1B-S/T-LL.
64-kbps of ISDN leased line support on the WIC-1B-S/T-LL card is only
available on the B1 channel.
Supported on the Cisco 1603 R and 1604 R routers.
Does not support ISDN dialup.
Single B-channel WIC (B1 channel always assigned).
The no isdn leased line bri
<interface-number>command will default the box to the 64 k
leased line mode.
Does not support hot swap, however no hardware damage will occur if
it is swapped while the power is on.
The following table details the platform support for the
Cisco 1600 (*)
Cisco IOS® Software Support
Cisco IOS Versions 11.2(9)P, 11.3(3)T, and all
Note: This WIC is only supported in the Cisco 1603, 1603-R, 1604, or
1604-R. The WIC-1B-S/T-LL card supports the 128k leased line starting in Cisco
IOS Version 11.3(3)T.
Note: The Cisco IOS software releases provided are typically the minimum
version required to support the platform, module, or feature in question. Use
(registered customers only)
to choose appropriate software for your network device: match
software features to Cisco IOS and CatOS releases, compare IOS releases, or
find out which software releases support your hardware.
Note: The WIC-1B-S/T-LL card is automatically configured in ISDN leased
line mode and never operates in dialer mode.
For information on configuring an ISDN leased line, refer to the