Cisco Systems Network Card CAB 232FC User Manual

CAB−232MT and CAB−232FC EIA/TIA−232 Serial  
Cable Specifications  
Document ID: 46800  
Introduction  
Prerequisites  
Requirements  
Components Used  
Conventions  
EIA/TIA−232 Speed and Distance Limitations  
Serial Cable CAB−232MT  
EIA/TIA−232 Serial Cable Assembly  
EIA/TIA−232 DTE Cable Pinouts  
Serial Cable CAB−232FC  
EIA/TIA−232 DCE Cable Pinouts (DB−60 to DB−25)  
Related Information  
Introduction  
This document provides the technical specifications for the EIA/TIA−232 serial cables.  
Prerequisites  
Requirements  
There are no specific requirements for this document.  
Components Used  
This document is not restricted to specific software and hardware versions.  
The information in this document was created from the devices in a specific lab environment. All of the  
devices used in this document started with a cleared (default) configuration. If your network is live, make sure  
that you understand the potential impact of any command.  
Conventions  
For more information on document conventions, see the Cisco Technical Tips Conventions.  
EIA/TIA−232 Speed and Distance Limitations  
As with all signaling systems, EIA/TIA−232 signals can travel a limited distance at any given bit rate;  
generally, the slower the data rate, the greater the distance.  
The table below gives the EIA/TIA−232 speed and distance limitations.  
Data Rate (Baud)  
Distance (Feet)  
Distance (Meters)  
 
J1−51 GND  
J1−52 MODE_DCE  
J1−46  
Shield  
GND  
Shield GND Single  
J2−1  
J1−41  
TxD/RxD  
−−−>  
J2−2 TxD  
Shield  
J1−36  
Twisted pair  
no. 5  
Shield −  
RxD/TxD  
<−−−  
J2−3 RxD  
Shield  
J1−42  
Twisted pair  
no. 9  
Shield −  
RTS/CTS  
−−−>  
J2−4 RTS  
Shield  
J1−35  
Twisted pair  
no. 4  
Shield −  
CTS/RTS  
<−−−  
J2−5 CTS  
Shield  
J1−34  
Twisted pair  
no. 10  
Shield −  
DSR/DTR  
<−−−  
J2−6 DSR  
Shield  
J1−45  
Twisted pair  
no. 11  
Shield −  
Circuit  
Circuit GND  
J2−7  
Shield  
J1−33  
Twisted pair  
no. 1  
GND  
Shield  
DCD/LL  
<−−−  
J2−8 DCD  
Shield  
J1−37  
Twisted pair  
no. 12  
Shield −  
TxC/NIL  
<−−−  
J2−15 TxC  
Shield  
J1−38  
Twisted pair  
no. 8  
Shield −  
RxC/TxCE  
<−−−  
J2−17 RxC  
Shield  
J1−44  
Twisted pair  
no. 7  
Shield −  
LL/DCD  
−−−>  
J2−18 LTST  
Shield  
J1−43  
Twisted pair  
no. 2  
Shield −  
DTR/DSR  
−−−>  
J2−20 DTR  
Shield  
J1−39  
Twisted pair  
no. 3  
Shield −  
TxCE/TxC  
−−−>  
J2−24 TxCE  
Shield  
Twisted pair  
no. 6  
Shield −  
1Any pin not referenced is not connected.  
 
Serial Cable CAB−232FC  
This section presents the cable assembly and pinouts for the CAB−232FC serial cable.  
The cable gender for this product (part number 72−0794−01) is Male DB−60 to Female DB−25, mode −  
DCE.  
This cable is used in the following systems: the Cisco 7000 family, Cisco 4000 series, Cisco 3600 series,  
Cisco 2500 series, Cisco 1600 series, Cisco access servers, and AccessPro PC cards. This cable has a male  
DB−60 connector on the Cisco end and a female DB−25 connector on the network end.  
EIA/TIA−232 DCE Cable Pinouts (DB−60 to DB−25)  
The table below shows the EIA/TIA−232 DCE cable pinouts (DB−60 to DB−25).  
Note: The arrows indicate signal direction:  
−−−> indicates DTE to DCE  
<−−− indicates DCE to DTE  
60 Pin  
Signal  
Description Direction 25 Pin Signal  
J1−50  
J1−51  
MODE_0  
Shorting  
group  
Single  
J1−46 Shield  
GND  
Shield  
GND  
J2−1  
GND  
J1−36  
RxD/TxD  
<−−−  
J2−2 TxD  
Shield  
J1−41  
Twisted pair  
no. 9  
Shield −  
TxD/RxD  
−−−>  
J2−3 RxD  
Shield  
J1−35  
Twisted pair  
no. 5  
Shield −  
CTS/RTS  
<−−−  
J2−4 RTS  
Shield  
J1−42  
Twisted pair  
no. 10  
Shield −  
RTS/CTS  
−−−>  
J2−5 CTS  
Shield  
J1−43  
Twisted pair  
no. 4  
Shield −  
DTR/DSR  
−−−>  
J2−6 DSR  
Shield  
J1−45  
Twisted pair  
no. 3  
Shield −  
J2−7  
Circuit  
Shield GND  
Twisted pair  
no. 1  
Circuit  
GND  
Shield  
J2−8 DCD  
J1−44 LL/DCD  
−−−>  
 
Shield −  
J1−39  
Twisted pair  
no. 2  
Shield −  
TxCE/TxC  
−−−>  
J2−15 TxC  
Shield  
J1−40  
Twisted pair  
no. 7  
Shield −  
NIL/RxC  
−−−>  
J2−17 RxC  
Shield  
J1−33  
Twisted pair  
no. 6  
Shield −  
DCD/LL  
<−−−  
J2−18 LTST  
Shield  
J1−34  
Twisted pair  
no. 12  
Shield −  
DSR/DTR  
<−−−  
J2−20 DTR  
Shield  
J1−38  
Twisted pair  
no. 11  
Shield −  
RxC/TxCE  
<−−−  
J2−24 TxCE  
Shield  
Twisted pair  
no. 8  
Shield −  
Related Information  
Technical Support − Cisco Systems  
All contents are Copyright © 2006−2007 Cisco Systems, Inc. All rights reserved. Important Notices and Privacy Statement.  
Updated: Jan 30, 2006  
Document ID: 46800  
 

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