
11
Baud rate support: 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200,
etc, eight kinds.
There are two handshaking modes optional: One is Mark Control
Handshake, the other is X-ON/X-OFF Protocol Handshake. The explanation of
these two kinds is as showed in Picture 3-7:
Handshaking Mode
Data
Directio
n
RS-232C interface
signal
Mark Control
data can
enter
"BUSY" signal line is
in "SPACE" status
data
can't
enter
"BUSY" signal line is
in "MARK" status
X-ON/ X-OFF
Control
data can
enter
Send X-ON code
"11H" on "TXD" signal
line
data
can't
enter
Send X-OFF code
"13H" on "TXD" signal
line
Picture3-7 Two handshake methods
3.1.2 Parallel interface connection
The parallel of SP-RMD8 printer is compatible with CENTRONICS standard,
and the interface socket is 20-pin flat cable socket, or its substitute for connecting
with it. The pin order of parallel port is showed as Picture3-8:
Picture3-8: Pin No. of parallel interface socket
The definition of each pin for parallel interface is as showed in Picture 3-9:
Pin No.
Signal
Direction
Explanation
1
/STB
In
Strobe pulse to latch data,
reading occurs at rising
edge.
Содержание SP-RMD8
Страница 9: ...6 Picture 2 5 ...
Страница 37: ...34 n 3 Error status n 4 paper feeding status 4 2 10 Bar Code Printing Commands GS k m d1 dk NUL Print Barcode ...
Страница 45: ...42 ...