Data Polarity - Printronix L5520 User Manual

Chapter 3
Host Interface Menus

Data Polarity

The Data Polarity parameter must be set to match the data polarity
of your host computer.
•
Standard. Does not expect the host computer to invert the
data.
•
Inverted. Expects the data received on the data lines from the
host computer to be inverted. Ones become zeros, and vice
versa.
Resp. Polarity
The Response Polarity parameter must be set to match the
response polarity of your host computer.
•
Standard. Does not invert the response signal.
•
Inverted. Inverts the reponse signal sent to the host computer.
Busy On Strobe
•
Enable. Asserts a busy signal after each character is received.
•
Disable. Asserts a busy signal only when the print buffers are
full.
Latch Data On
Specifies whether the data is read on the leading (default) or trailing
edge of the data strobe signal.
Prime Signal
•
Enable. The parallel port performs a warm start (reboot) when
the host asserts the Prime Signal.
•
Disable. The parallel port will not perform a warm start when
the host asserts the Prime Signal.
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