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1 Turn off the power of the printer. - Van Mechelen

1 Turn off the power of the printer. - Van Mechelen

1 Turn off the power of the printer. - Van Mechelen

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7. SERIAL INTERFACE<br />

7.1 Specifications<br />

(1) Synchronizing system<br />

(2) Baud rate<br />

Asynchronous<br />

2400, 4800, 9600, or 19200 bps (User selectable)<br />

(3) Configuration <strong>of</strong> one word<br />

Start bit: 1-bit<br />

Data bits: 7 or 8-bits (User selectable)<br />

Parity bit: Odd, even, or none (User selectable)<br />

Stop bit: 1-bit or more<br />

(4) Signal polarity<br />

RS-232C<br />

• Mark = Logic “1” (–3 V to –12 V)<br />

• Space = Logic “0” (+3 V to +12 V)<br />

(5) Received data (RD signal)<br />

RS-232C<br />

• Mark = 1<br />

• Space = 0<br />

(6) Reception control (DTR signal)<br />

RS-232C<br />

• Mark: Data transfer disabled<br />

• Space: Data transfer enabled<br />

(7) Transmission control (TD signal)<br />

DC1 code (11H)X-ON: Data reception enabled<br />

DC3 code (13H)X-OFF: Data reception disabled<br />

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