SPRT
８
3
TXD
Printer
Printer transmits control code
X-ON/X-OFF and data to host
5
CTS
Printer
Signal
“
MARK
”
indicates that
the printer is
“
BUSY
”
and
unable
to
receive
data;
“
SPACE
”
indicates that the
printer
is
“
READY
”
for
receiving data.
6
DSR
printer
When this signal is
“
SPACE
”
,
it means the printer
“
online
”
.
7
GND
—
Signal Ground
8
DCD
printer
Same with signal
“
CTS
”
Fig. Pin Assignment of Serial Interface
Note:
“
Source
”
①
denotes the source that signal comes from;
②
Logical signal level is EIA.
The baud rate and data structure in RS232 interface mode are set to 9600bps,
8 data bits, no parity bit and 1 stop bit.
The serial interface of POS58VI can be connected with standard RS-232C
interface. When connected to IBM PC or compatible machine, connection
can accord to the below.
Fig. Connection between POS58
VI
S and IBM PC Serial Interface
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