SPRT SP-RMD17, Руководство пользователя

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downwards lightly.
1.Pay attention to the direction of loading paper,make the printing
surface face to the print head.
2.Please don’t feed or draw the paper forwards or backwards with
hands.
3.Keep clean of the print head,avoid to influence the printing
quality.
2.4 Interface
2.4.1 Serial Interface
The serial interface of SP-RMD17 printer is compatible with RS-232C, supports DTR/DSR and
XON/XOFF handshaking protocols, uses IDC10 socket. The pin order of the serial port is as
Fig.2-3 shows:
Fig.2-3 Pin Order of Serial Port
The pin assignment of serial interface is shown in Fig. 2-4:
Pin No. Signal
Name
Signal
Direction Source Description
2
DTR
Output Printer
Signal “MARK” means the host
is busy and can not receive
data.Signal “SPACE” means
the host is ready to receive
data.
3
TXD
Output Printer
Printer transmits control code
X-ON/X-OFF and data to host
4
DSR
Input Host
Signal “MARK” means the host
is busy and can not receive
data.Signal “SPACE” means
the host is ready to receive
data.
5 RXD Input Host Printer receives data from host
！
Caution!