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Null modem

Null modem logo #21000 Null modem is a communication method to connect two DTEs (computer, terminal, printer etc.) directly using an RS-232 serial cable. The name stems from the historical use of the RS-232 cable to connect two teleprinter devices to modems in order to communicate with one another; null modem communication was possible by instead using RS-232 to connect...
Found on http://en.wikipedia.org/wiki/Null_modem

Null Modem

Null Modem logo #20658A cable that connects two computers, Amiga, or PC, to each other by using two female connectors to communicate to the serial port.
Found on http://www.amigahistory.co.uk/n.html

Null modem

Null modem logo #20479(NETWORK GLOSSARY) Small box or cable used to join computing devices directly, rather than over a network.
Found on https://www.encyclo.co.uk/local/20479
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