Serial Interface Cards
Serial High Speed WICs
9
OL-12843-01
Figure 41 16-Port Asynchronous HWIC Front Panel (HWIC-16A)
LED Status
Due to the high port density on the HWIC front panels, the amount of LED status per port is limited.
There is no room for individual LEDs to indicate transmit or receive activity, or clock status.
HWIC-4T and HWIC-4A/S have a single bi-color LED to monitor status over four ports. HWIC-8A has
a single LED to monitor status over 8 ports. There are two LEDs on the HWIC-8A/S-RS232 that monitor
4 ports each. On the HWIC-16A, two LEDs monitor 8 ports each.
See Table 8 for the definition of HWIC LED Status.
Supported Platforms
For a list of the platforms supported by a Cisco interface card refer to Platform Support for Cisco
Interface Cards.
Finding Support Information for Platforms and Cisco IOS Software Images
Use Cisco Feature Navigator to find information about platform support and Cisco IOS software image
support. Access Cisco Feature Navigator at http://www.cisco.com/go/fn. You must have an account on
Cisco.com. If you do not have an account or have forgotten your username or password, click Cancel at
the login dialog box and follow the instructions that appear.
Prerequisites for Connecting Serial HWICs to the Network
Before connecting a serial high speed WIC (HWIC) to the network, ensure that the HWIC is installed in
the router, the equipment is properly grounded, and you have the proper cables for connecting the HWIC
to the network. This section describes the preparation necessary before connecting a Cisco serial HWIC
to the network.
CONNCONN
HWIC-16A
0-7
8-15
117623
Serial ports
CONN LEDs
Table 8 HWIC LED Status
LED Status Definition
Solid Green Monitored ports are active (have initialized without error).
Solid Yellow At least one monitored port is in loopback mode.
Off Monitored ports are not active or have failed to initialize.
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