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Menu item Description
Serial Protocol
DTR
DTR/DSR
XON/XOFF
XON/XOFF/DTR
XON/XOFF/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
On
Off
Determines whether or not 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
1200
2400
4800
9600
19200
38400
57600
115200
138200
172800
230400
345600
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 displayed only in the
Standard Serial menu. These settings do not appear in the Serial Option or
Serial Option 2 menus.
Data Bits
7
8
Specifies the number of data bits that are sent in each transmission frame
Note: 8 is the factory default setting.
Parity
Even
Odd
None
Ignore
Sets the parity for serial input and output data frames
Note: None is the factory default setting.
Honor DSR
On
Off
Determines whether the printer uses the DSR Signal. DSR is a handshaking signal used
by most serial cables.
Notes:
• Off is the factory default setting.
• 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. Select On to prevent stray characters from printing.
• This menu item appears only if Serial RS‑232/RS‑422 is set to RS 232.
Understanding printer menus 171