Various Electronic Devices
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
Description
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.
 

9 pin D-SUB female connector layout
9 pin D-SUB female connector
at the DTE Serial (PC)
25 pin D-SUB female connector layout
25 pin D-SUB female connector
at the PBX
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Nortel Meridian Opt 11 PBX RS-232 Terminal Cable visual pinout:
Nortel Meridian Opt 11 PBX  RS-232 Terminal Cable diagram
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