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6400 Line Matrix Printers Setup Guide, Cabinet and Pedestal Models
• FALSE never asserts the DTR signal.
• TRUE continuously asserts the DTR signal.
NOTE: When the printer is attached to an AS/400 or RISC 6000, the DTR
should be set to TRUE.
Request to Send
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.
• READY AND BUFFER NOT FULL asserts the RTS signal when the
printer is READY and the internal serial buffer is not full.
• NOT READY OR BUFFER FULL asserts the RTS signal when the
printer is NOT READY or the internal serial buffer is full.
• FALSE never asserts the RTS signal.
• TRUE (the default) continuously asserts the RTS signal.
NOTE: Xon/Xoff is always on. See page 5–5 for more information.
Buffer Size in Kilobytes
This parameter determines the size of the input buffer, in 1K increments. Up
to 16K are available. 16K is the default.
Poll Character
This option is used when One Char Enquiry is enabled and the IGP feature is
available. Whenever the printer receives this character, it sends a response to
the host indicating the current state of the printer. It may be configured from
00 through FF Hex. The default value is 00.
One Char Enquiry
When enabled, and the IGP feature is available, a status byte is sent back to
the host when the poll character or the command SFCC enquiry is sent to the
printer (serial interface only). The poll character is received and the status
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