Specifications

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Choices DSR POL
DSR
DTR POL
DTR
RTS
CTS
Normal, reverse
Off, on
Normal, reverse
Off, on
Off, on
Off, on
Defaults DSR POL
DSR
DTR POL
DTR
RTS
CTS
Normal
Off
Normal
On
Off
Off
Notes If the host uses hardware flow control, set this option to
match the type used by the host.
However, to download printer system software to flash
ROM via the serial port, RTS and CTS must be set to
On, and the cable pinouts must be connected as shown
in appendix B, “Technical Specifications.”