Printronix t8000 Administrator's Manual page 190

This configuration is part of hardware flow control and determines when the
Request to Send (RTS) signal is generated. This signal indicates whether or
not the printer is ready to receive data.
True
On-Line and
BNF
Off-Line or BF
On-line
False
Factory Default
This option is for the Series1 protocol. Whenever the printer receives this
character, it sends a response to the host indicating the current state of the
printer.
Minimum
Maximum
Factory Default
This option is for the Series1 protocol. After receiving a poll character, the
printer will wait the poll response time in milliseconds before sending the
response.
Minimum
Maximum
Factory Default
190
Host IO > Serial > Request to Send
Continuously asserts the DTR signal.
Asserts the DTR signal when the printer is ONLINE
and the internal serial buffer is not full (BNF).
Asserts the DTR signal when the printer is OFFLINE or
the internal serial buffer is full
Asserts the DTR signal when the printer is ONLINE
Never asserts the DTR signal.
On-Line and BNF
Host IO > Serial > Poll Character
00 hex
FF hex
00 hex
Host IO > Serial > Poll Response
0 ms
30 ms
0 ms