Cisco Systems Network Card WIC 1DSU 56K4 User Manual

Cisco − WIC−1DSU−56K4 Cable Specifications  
Table of Contents  
Requirements..........................................................................................................................................1  
Conventions............................................................................................................................................1  
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  
All contents are Copyright © 1992−2005 Cisco Systems, Inc. All rights reserved. Important Notices and Privacy Statement.  
Updated: Jun 26, 2005  
Document ID: 46794  
Cisco − WIC−1DSU−56K4 Cable Specifications  
 
 

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