Epson TM-m50II Technical Reference Guide - Page 112

Specifications of Interface and Connector, RS-232 Serial Interface

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Specifications of Interface and Connector Appendix RS-232 Serial Interface Interface board specifications (RS-232-compliant) Item Data transfer method Synchronization Handshake Signal level Bit length MARK SPACE Transmission speed Parity Stop bit Connector Specifications Serial Asynchronous Can be set using the commands, software settings mode, or TM-m50II Utility. • DTR/DSR control • XON/XOFF control -3 to -15 V logic "1"/OFF +3 to +15 V logic "0"/ON Can be set using the commands, software settings mode, or TM-m50II Utility. • 7 bit • 8 bit Can be set using the commands, software settings mode, or TM-m50II Utility. 2400, 4800, 9600, 19200, 38400, 57600, 115200 bps [bps: bits per second] Can be set using the commands, software settings mode, or TM-m50II Utility. • No parity • Even parity • Odd parity 1 bit or more However, the stop bit is fixed to 1 bit when transfer data is sent from the printer. D-Sub 9 pin (male) connector 112

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112
Appendix
Specifications of Interface and Connector
RS-232 Serial Interface
Interface board specifications (RS-232-compliant)
Item
Specifications
Data transfer method
Serial
Synchronization
Asynchronous
Handshake
Can be set using the commands, software settings mode, or TM-m50II Utility.
•
DTR/DSR control
•
XON/XOFF control
Signal level
MARK
-3 to -15 V logic “1”/OFF
SPACE
+3 to +15 V logic “0”/ON
Bit length
Can be set using the commands, software settings mode, or TM-m50II Utility.
•
7 bit
•
8 bit
Transmission speed
Can be set using the commands, software settings mode, or TM-m50II Utility.
2400, 4800, 9600, 19200, 38400, 57600, 115200 bps
[bps: bits per second]
Parity
Can be set using the commands, software settings mode, or TM-m50II Utility.
•
No parity
•
Even parity
•
Odd parity
Stop bit
1 bit or more
However, the stop bit is fixed to 1 bit when transfer data is sent from the printer.
Connector
D-Sub 9 pin (male) connector