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Switch 3 1 Switch 4
Protocol 1
Protocol (or “handshaking”) is the communications con-
vention used between the computer and printer to regu-
late the flow of data. DTR is the most commonly used
protocol.
I
OFF ON
ETXIACK
Baud rate is the rate in bits per second at which data is
sent to the printer. Typically 9600 or 19200 is used.
Switch 6
Switch
7 Switch
8 Baud rate DOS/Windows
setting
OFF
OFF OFF
150 bps
150
OFF
OFF ON
300 bps
300
ON 1 OFF I 600 bps 1
OFF ON
ON
ON OFF
OFF
1200 bps
I
2400 bps
1200
2400
ON
ON
OFF
ON
ON 1 4800 bps
OFF / 9600 bps
4800
9600
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