Epson EPL-7500 User Manual - Page 188

Baud rate, Signal level, Handshaking, Connector, Conforms to EIA

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Baud rate RS-232: 300, 600, 1200, 2400, 4800, 9600, 19,200, 38,400 bits per second. RS-422: 300, 600, 1200, 2400, 4800, 9600, 19,200, 38,400, 57,600 bits per second. Signal level RS-232: Conforms to EIA RS-422: Conforms to EIA Handshaking The printer's serial interface can use DTR (Data Terminal Ready) signal levels and XON/XOFF communication protocols either separately or in combination. When the vacant area for data in the input buffer drops to 128 bytes, the printer outputs an XOFF code or sets the DTR signal level to low (MARK, indicating that it cannot receive any more data). Once the vacant area for data in the buffer recovers to 256 bytes, the printer outputs an XON code or sets the DTR flag to high (SPACE), indicating that it is again ready to receive data. Connector D-sub 25-pin connector DIN S-pin connector 8-14 Technical Specifications

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Baud rate
RS-232:
300, 600, 1200, 2400, 4800, 9600, 19,200, 38,400
bits
per
second.
RS-422:
300, 600, 1200, 2400, 4800, 9600, 19,200, 38,400, 57,600
bits per second.
Signal level
RS-232:
Conforms to EIA
RS-422:
Conforms to EIA
Handshaking
The printer’s serial interface can use DTR (Data Terminal Ready)
signal levels and XON/XOFF communication protocols either
separately or in combination. When the vacant area for data in the
input buffer drops to
128
bytes, the printer outputs an XOFF code
or sets the DTR signal level to low (MARK, indicating that it
cannot receive any more data).
Once the vacant area for data in the buffer recovers to
256
bytes,
the printer outputs an XON code or sets the DTR flag to high
(SPACE), indicating that it is again ready to receive data.
Connector
D-sub 25-pin connector
DIN S-pin connector
8-14
Technical Specifications