While legacy PCs (post IBM PC/AT) typically use 9-pin RS-232
plugs external modems are usually equipped with 25-pin RS-232 sockets. You can depend on Tech Choice to have the cables you will need for this type of connection.. Features. ...
The RS-449 standard (aka EIA-449 or TIA-449) was originally designed
as the successor to the more common RS-232 standard used on PCs. It supports RS-422 balanced signals and RS-423 unbalanced signals with data rates up to 10 Mbps over ...
A NULL MODEM SERIAL CABLE enables two DTE or DCE
devices to communicate with no conflict in data transmission.. Features. The transmit and receive signals are crossed to ensure proper data transmission. Connects two PC serial ports.
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