Two-Wire modem (25-25)

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serial interface cable This cable should be used for DTE to DCE (for instance computer to modem) connections without hardware handshaking.

25 pin D-SUB female connector layout 25 pin D-SUB female connector to the Computer

25 pin D-SUB male connector diagram 25 pin D-SUB male connector to the Modem

Female Male Dir
Shield Ground 1 1
Transmit Data 2 2
Receive Data 3 3
System Ground 7 7
Jumper these:
Request to Send 4
Clear to Send 5
Data Set Ready 6
Carrier Detect 8
Data Terminal Ready 20
Request to Send 4
Clear to Send 5
Data Set Ready 6
Carrier Detect 8
Data Terminal Ready 20

Notes

References

Category:Serial Cables

 

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