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Menu item Description
Protocol
DTR
DTR/DSR
XON/XOFF
XON/XOFF/DTR
XONXOFF/DTRDSR
Selects the hardware and software handshaking settings for the serial port
Notes:
• DTR is the factory default setting.
• DTR/DSR is a hardware handshaking setting.
• XON/XOFF is a software handshaking setting.
• XON/XOFF/DTR and XON/XOFF/DTR/DSR are combined hardware and
software handshaking settings.
Robust XON
Off
On
Determines whether the printer communicates availability to the computer
Notes:
• Off is the factory default setting.
• This menu item applies only to the serial port if Serial Protocol is set to
XON/XOFF.
Baud
9600
19200
38400
57600
115200
138200
172800
230400
345600
1200
2400
4800
Specifies the rate at which data can be received through the serial port
Notes:
• 9600 is the factory default setting.
• 138200, 172800, 230400, and 345600 baud rates are only displayed in the
Standard Serial menu. These settings do not appear in the Serial Option 1,
Serial Option 2, or Serial Option 3 menus.
Data Bits
8
7
Specifies the number of data bits sent in each transmission frame
Note: 8 is the factory default setting.
Parity
None
Ignore
Even
Odd
Sets the parity for serial input and output data frames
Note: None is the factory default setting.
Honor DSR
Off
On
Determines whether the printer uses the DSR Signal
Notes:
• Off is the factory default setting.
• DSR is a handshaking signal used by most serial cables. The serial port uses
DSR to distinguish data sent by the computer from data created by electrical
noise in the serial cable. The electrical noise can cause stray characters to
print. Set this to On to prevent stray characters from printing.
Understanding printer menus 118