56/64-Kbps Dsu/Csu Wan Interface Card - Cisco 1601 - Router - EN Hardware Installation Manual

56/64-kbps DSU/CSU WAN Interface Card

56/64-kbps DSU/CSU WICs Overview
The 1-port 56/64-kbps DSU/CSU WIC (WIC-1DSU-56K4) includes an integral DSU/CSU and can be
configured to provide circuit-switched, dedicated, or leased-line service at 56 kbps. This WIC also
supports 64-kbps dedicated lines. (See
Figure 56
56/64-kbps DSU/CSU WIC LEDs
The 56/64-kbps DSU/CSU WIC LEDs, are shown in
in Table
Table 12
LED
TD
RD
LP
AL
CD
Prerequisites for Connecting 56/64-kbps DSU/CSU WICs 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 a 56/64-kbps DSU/CSU WIC to the network.
Installing a Cisco Serial WAN Interface Card
Install the Cisco serial wan interface card according to the instructions in
Cards in Cisco Access
Grounding
Ensure that the equipment you are working with is properly grounded. For instructions on grounding
your serial WIC, refer to
OL-12845-01
2
WIC-1DSU-56K4 Front Panel
56- or 64-kbps port
LEDs LED
DSU
56K
SEE MANUAL BEFORE INSTALLATION
12.
56/64-kbps DSU/CSU WIC LEDs
Description
Data is being transmitted to the DTE interface.
Data is being received from the DTE interface.
Internal DSU/CSU is in loopback mode.
One of these alarm conditions is present: no receive signal, loss of frame signal from
the remote station, or out of service signal from the remote station. This LED is off
during normal operation.
Internal DSU/CSU in the WIC is communicating with another DSU/CSU.
Routers.
Installing Cisco Interface Cards in Cisco Access
Figure 56.)
Figure 56. The functions of the LEDs are described
DSU/CSU WAN Interface Cards
Installing Cisco Interface
Routers.