e> A cable, especially an ef="module.php?name=Lexikon&file=search&eid=1&query=eIA-232">eIA-232 cable, for connecting serial ports on two computers directly, rather than via modems. Since, according to the specification, both computers should transmit on pin three of their eIA-232 connectors and receive on pin two, a null modem cable needs to connect one computer' s pin two to the other' s pin three and vice versa. It also needs to have male connectors at both ends (again, according to the specification). (1996-05-17)
