D-Sub9 pin (RS-232C) cable

In Interface for serial communication standardized by EIA (American Electronics Association), in the standard top, transmission rate to 19.2Kbps is supported using D-Sub25 pin (as for the total of the cable head to about 15m). But extension of standard is often carried out by maker originally, and case realizing transmission rate 19.2Kbps or more exists, and connector of D-Sub9 pin becomes mainstream mainly on PC/AT compatibles now.

Two kinds of cable (normal cable) of straight connection to connect peripheral device to PC and crossing cable (reverse cable) to connect PCs to mainly exist.

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