pinout (распиновка)

Two-Wire Modem (25-25) Cable

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

25 pin D-SUB FEMALE connector  to the Computer

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

25 pin D-SUB MALE connector  to the Modem