Epson FX 1170 User Manual - Page 106

The C823051 / C823061 Serial Interface Card, Baud rate selection, Handshake timing, Error handling

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The C823051/C823061 serial interface card If you are using an optional interface, you may need to alter the communications protocol of the printer or computer so they can communicate properly. Use the information in your optional interface manual or your computer's manual to match the computer with the interface. If you are using the C823051 /C823061 optional interface card, read through the sections below on baud-rate selection, handshake timing, and error handling. For all other data transfer conventions, such as word structure or communications protocol, see the manual supplied with your C823051 /C823061 optional interface. Baud rate selection You can select one of the following baud rates: 75, 110, 134.5, 150, 200, 300, 600, 1,200, 1,800, 2,400, 4,800, 9,600 and 19,200 bps (bits per second). When you set the baud rate, see the baud rate selection table in the C823051 /C823061 interface manual. Handshake timing When the vacant area for data in the input buffer drops to 256 bytes, the printer outputs an X-OFF code or sets the DTR flag to "1" (MARK) indicating that it cannot receive data. Once the vacant area for data in the buffer increases to 528 bytes, the printer outputs an X-ON code or sets the DTR flag to "0" (SPACE) indicating that it is again ready to receive data. Error handling When a parity error is detected, your printer prints an asterisk ("1. All other errors, including framing and overrun errors, are ignored. 4-24 Using the Printer Options

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The C823051/C823061 serial interface card
If you are using an optional interface, you may need to alter the
communications protocol of the printer or computer so they
can
communicate properly. Use the information in your optional
interface manual or your computer’s manual to match the computer
with the interface.
If you are using the C823051 /C823061 optional interface card, read
through the sections below on baud-rate selection, handshake
timing, and error handling.
For all other data transfer conventions, such as word structure or
communications protocol, see the manual supplied with your
C823051 /C823061 optional interface.
Baud rate selection
You
can
select
one of the following baud rates: 75, 110, 134.5,
150,
200,
300, 600,
1,200,
1,800, 2,400,
4,800, 9,600 and 19,200 bps
(bits
per second). When you set the baud rate, see the baud rate selection
table in the C823051 /C823061 interface manual.
Handshake timing
When the
vacant
area for data in the input buffer drops to 256 bytes,
the printer outputs an X-OFF code or sets the DTR flag to “1”
(MARK) indicating that it cannot receive data.
Once the vacant area for data in the buffer increases to 528 bytes, the
printer outputs an X-ON code or sets the DTR flag to “0” (SPACE)
indicating that it is again ready to receive data.
Error handling
When a parity error is detected, your printer prints an asterisk (“1.
All other errors, including framing and overrun errors, are ignored.
4-24
Using the Printer Options