SPRT SP-RMD11A User Manual page 10

IDC10
Signal socket
Name cords
number
RXD 3
TXD 2
CTS 8
DSR 6
GND 5
DCD 1
Mark: ①"Source" mean the source for the signal.
② The signal logic is divided into EIA and TTL level due to insert
different sockets; Under the serial interface connect, the baud rate and data
structure can be set with button or software, Before out of factory the product
has been set to 9600bps, 8 data bits, no calibration and one stop bit; two types
of handshaking protocol agreement can be chosen. One is mark control way,
other is X-ON/X-OFF agreement, two kinds of handshaking protocol
5PIN socket
cords
number
3 PCB board
2
4
1
5
3-3 Serial interface pin number definition
8
Source
Printer receive data from
Printer send data to
computer，when use
X-ON/X-OFF handshaking
printer
protocol agreement, the
printer will send control code
X-ON/X-OFF to computer
When the signal show
"MARK", it is means the
printer is busy and can not
printer receive data, when the signal
show " SPACE", it is mean the
printer get ready and can
when the signal show
Printer " SPACE" it is mean the
－
Printer
Instruction
computer
receive data.
printer online
Signal ground
Same as CTS