Cisco − WIC−1DSU−56K4 Cable Specifications
Table of Contents
WIC−1DSU−56K4 Cable Specifications...........................................................................................................1
Document ID: 46794................................................................................................................................1
Introduction..........................................................................................................................................................1
Prerequisites.........................................................................................................................................................1
Requirements..........................................................................................................................................1
Components Used...................................................................................................................................1
Conventions............................................................................................................................................1
WIC−1DSU−56K4 WAN Interface Card............................................................................................................1
Cables...................................................................................................................................................................2
Connecting the 56/64 Kbps Card to the Network................................................................................................2
56/64 Kbps WAN Interface Card LEDs..............................................................................................................2
Related Information.............................................................................................................................................3
i
Cables
The 4−wire Channel Service Unit/Data Service Unit (CSU/DSU) module uses a standard straight−through
RJ−45 cable to connect from the RJ−48S jack on the CSU/DSU to the wall jack.
Connector Pinout
RJ−48S Pin
Signal
1
Receive ring
2
Receive tip
7
Ring
8
Tip
Connecting the 56/64 Kbps Card to the Network
This connection requires a straight−through RJ−48S−to−RJ−48S or a straight−through RJ−48C−to−RJ−48C
cable.
Follow these steps:
1. Verify that the router is OFF.
2. Connect one end of the cable to the card's 56/64 kbps port.
3. Connect the other end of the cable to the 56/64 kbps services wall jack.
56/64 Kbps WAN Interface Card LEDs
The table below shows the different LEDs on the card and their meaning.
56/64 Kbps WAN Interface Card LEDs
LED
Meaning
TD
Data is being transmitted to the Data Terminal
Equipment (DTE) interface.
RD
LP
Data is being received from the DTE interface.
The internal DSU/CSU is in loopback mode. Solid
illumination any time a loopback is active.
Cisco − WIC−1DSU−56K4 Cable Specifications
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.
AL
CD
The internal DSU/CSU in the WAN interface card is
communicating with another DSU/CSU.
Related Information
• Understanding the 1−Port 4−Wire 56/64 Kpbs CSU/DSU WAN Interface Card
(WIC−1DSU−56K4)
• Technical Support − Cisco Systems
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Updated: Jun 26, 2005
Document ID: 46794
Cisco − WIC−1DSU−56K4 Cable Specifications
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