8
these two kinds is as showed in Picture3-2:
Handshaking Mode
Data
Direction
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
Picture3-2 Two handshake methods
3.1.2 USB interface connection
Signal
name
PH-6PIN
Source
Explanation
VDC
1
-
Printer operating
voltage(5.0~8.5V)
NC
2
-
D-
3
-
USB differential signal
D+
4
-
USB differential signal
GND
5
-
Signal ground
EN
6
Printer
High level enables printer, low
level turns off printer
Содержание SP-RMD8D
Страница 8: ...5 Picture 2 5...
Страница 34: ...31 n 3 Error status n 4 paper feeding status 4 2 10 Bar Code Printing Commands GS k m d1 dk NUL Print Barcode...
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Страница 46: ...43 Appendix 4 Example of MCU Interface See the description of the printer s serial interface in 3 1 1...
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