Installation guide
Cabling Specifications A-3
Console and Auxiliary Port Pinouts
Console and Auxiliary Port Pinouts
Refer to Table A-1 when assembling an EIA/TIA-232 console cable or auxiliary port cable
for the Cisco 4000-M and to Table A-2 when assembling an EIA/TIA-232 console cable or
auxiliary port cable for the Cisco 4500-M, Cisco 4700-M, or Cisco 4800-M.
Table A-1 Cisco 4000-M Console and Auxiliary Port Signals
1. GND = Ground
2. CD = Carrier Detect
Console Port Auxiliary Port
DCE DB-25 Connector DCE DB-25 Connector
Pin Signal Name Input/Output Pin Signal Name Input/Output
1 Frame GND
1
– 1 Frame GND –
2 TXD Input 2 TXD Output
3 RXD Output 3 RXD Input
4 RTS Shorted to pin 5 4 RTS Output
5 CTS Shorted to pin 4 5 CTS Input
6 Shorted to pin 8 Output 7 GND –
7 GND – 8 CD Input
8CD
2
Output 20 DTR Output
20 DTR Input 22 Ring Indicator Input
Table A-2 Cisco 4500-M, Cisco 4700-M, or Cisco 4800-M Console Port Signals
Console Port
DCE DB-25 Connector
Pin Signal Name Direction
1 Frame Ground –
2 Received Data Input