G E T T I N G S T A R T E D
RS-232C Serial Interface
This interface uses a 25 pin “D” connector as described below. The default settings are 9600 baud, 8 data bits, 1 stop bit, and no parity with hardware handshake on pin 11. The default printer emulation is Epson. For a complete description of all the default settings for this interface, refer to page 55.
Pin Signal
1Chassis ground.
2Transmit data. (Printer output).
3Receive data. (Printer input).
4Request to send (set). (Printer output).
5Clear to send (ignored). (Printer input).
6Data set ready (ignored). (Printer input).
7Signal ground.
8Carrier detect (ignored). (Printer input).
11Printer busy. (Printer output).
20Data terminal ready. (Printer output).
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