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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 Switch3 1 Switch4
I
Protocol
I
I
OFF
I
ON
I
ETX/ACK
I
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 I Switch 7 ~Switch 8 Baud rate DOSIWindows setting
OFF
OFF
OFF
150 bps
150
OFF
I
OFF
ON
300 bps
300
ON
OFF
OFF
2400 bps
i
2400
ON
OFF
ON
4800 bps
4800
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