CABLE

Modem (9-25)

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

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

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

  Female Male Dir
Shield   1 ---
Transmit Data 3 2 -->
Receive Data 2 3 <--
Request to Send 7 4 -->
Clear to Send 8 5 <--
Data Set Ready 6 6 <--
System Ground 5 7 ---
Carrier Detect 1 8 <--
Data Terminal Ready 4 20 -->
Ring Indicator 9 22 <--