Solid Signal > Wire and Cable > Serial Cables and Adapters > Tech Choice 1136
Null modems are used to connect two computers or other devices together to achieve file transfer. Null modem connectors are different from straight through connectors because the receive and transmit conductors are crossed.
- This is a null modem with a male connectors on one side and a female on the other
- RS-232 DB 9 pin male to female null modem
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