The C823051/C823061 Serial Interface Card - Epson LQ-570 User Manual

Interface Cards

The C823051/C823061 serial interface card

To use the
C823051/C823061
on selecting a baud rate, handshake timing, and error handling. For
all other data transfer conventions, such as word structure and
communications protocol, see the
manual.
Selecting a baud rate
You can select from the following baud rates:
2,400, 4,800, 9,600,
the baud rate, see the bit-rate selection table in the
C823051/C823061
Handshake timing
When the vacant area for data in the input buffer drops to
bytes, the printer outputs an X-OFF code or sets the DTR flag
256
to (MARK) to indicate that it cannot receive data.
1
When the vacant area for data in the buffer increases to
the printer outputs an X-ON code or sets the DTR flag to 0
(SPACE) to indicate that it is ready to receive data.
Error handling
When the printer detects a parity error, it prints an asterisk (*).
The printer ignores all other errors, including framing and overrun
errors.
Using Printer Options
4-16
interface card, see the sections below
C823051/C823061
and
19,200
interface card manual.
150, 300, 600, 1,200,
bps (bits per second). When you set
interface card
bytes,
528