Nullmodem 9 to 25 Pin

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Use this cable between two DTE devices (for instance two computers).

9 PIN D-SUB FEMALE 9 PIN D-SUB FEMALE to Computer 1

25 PIN D-SUB FEMALE 25 PIN D-SUB FEMALE to Computer 2

D-Sub 9 D-Sub 25
Receive Data 2
Transmit Data 3
Data Terminal Ready 4
System Ground 5
Data Set Ready + Carrier Detect 6+1
Request to Send 7
Clear to Send 8

Notes

  • DSR & CD are jumpered to fool the programs to think that they are online.

References

Category:Serial Cables

 

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