3com CM 4000 Manual De Usuario
C−1
CM 4000 Installation and Operating Manual
Appendix C
Console Port Connections and Protocol
Figure C−1. Location of Console connector.
Console
connector
CM 4000
Rxd
TxD
Signal Gnd
pin 2
pin 3
pin 5
Txd
Rxd
To controller board
Console connector
Logic ground
DB9P (male)
To computer/terminal
DB25P connector
pin 3
pin 2
pin 7
DB9S connector
pin 2
pin 3
pin 5
OR
Figure C−2. Console cable for all controller boards.
The Console connection is provided for test purposes. The protocol for this port is 9600 baud, 8 data bits, 1 stop bit, no parity.
All boards can be reset by momentarily shorting pin 7 to pin 5 on the Console port.