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Modem (25-25) Cable

This cable should be used for DTE to DCE (for instance computer to modem) connections with hardware handshaking.

(To Computer).
25 PIN D-SUB MALE (To Modem).

25 PIN D-SUB FEMALE to the Computer
25 PIN D-SUB MALE to the Modem

Female Male Dir
Shield Ground 1 1
Transmit Data 2 2 -->
Recieve Data 3 3 <--
Request to Send 4 4 -->
Clear to Send 5 5 <--
Data Set Ready 6 6 -->
System Ground 7 7
Carrier Detect 8 8 -->
Data Terminal Ready 20 20 -->
Ring Indicator 22 22 <--
Contributor: Joakim Ögren
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Please send any comments to Joakim Ögren.