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9 pin D-SUB female connector layout
9 pin D-SUB female connector
This cable is used to allow terminal access to a Nortel Meridian Opt 11 PBX.


Device 1
Pin Number
Device 1
Pin Name
Direction Device 2
Pin Number
Device 2
Pin Name
2 RxD   2 TxD  
3 TxD   3 RxD  
4 DTR   6+8 DSR+CD  
5 GND   7 GND  
6+1 DSR+CD   20 DTR  
7 RTS   5 CTS  
8 CTS   4 RTS  

Note:  Both devices are DTE.

25 pin D-SUB female connector layout
25 pin D-SUB female connector
According to 1 reports in our database (1 positive and 0 negative) the Nortel Meridian Opt 11 PBX RS-232 Terminal Cable pinout should be correct.

Is this pinout
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