Epson TM-T88IV TM-T88IV Technical Reference Guide - Page 83

Appendix, Specifications of Interface and Connector, RS-232C Serial Interface

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Appendix Appendix Specifications of Interface and Connector For detailed information about LAN or wireless LAN, see one of the following: • LAN: UB-E02 Technical Reference Guide • Wireless LAN: UB-R02/R03 Technical Reference Guide RS-232C Serial Interface Interface board specifications (RS-232C-compliant) Item Specifications Data transfer method Serial Synchronization Asynchronous Handshake Select one of the following with DIP switch 1-3: • DTR/DSR • XON/XOFF Signal level MARK -3V to -15V logic "1"/OFF SPACE +3V to +15V logic "0"/ON Bit length Select one of the following with DIP switch 1-4: • 7 bit • 8 bit Transmission speed [bps: bits per second] • Select one of the following with DIP switch 1-7/1-8: 4800/9600/19200bps • Select one of the following with commands: 2400/4800/9600/19200/38400/57600/115200 bps Parity check Select one of the following with DIP switch 1-5: • Yes • No Parity selection Select one of the following with DIP switch 1-6: • Even • Odd Stop bit 1 or more bits However, the stop bit for data transfer from the printer is fixed to 1 bit. Connector Printer side DSUB 25-pin (female) connector 83

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Appendix
83
Appendix
Specifications of Interface and Connector
RS-232C Serial Interface
Interface board specifications (RS-232C-compliant)
For detailed information about LAN or wireless LAN, see one of the following:
•
LAN: UB-E02 Technical Reference Guide
•
Wireless LAN: UB-R02/R03 Technical Reference Guide
Item
Specifications
Data transfer method
Serial
Synchronization
Asynchronous
Handshake
Select one of the following with DIP switch 1-3:
•
DTR/DSR
•
XON/XOFF
Signal level
MARK
-3V to -15V logic “1”/OFF
SPACE
+3V to +15V logic “0”/ON
Bit length
Select one of the following with DIP switch 1-4:
•
7 bit
•
8 bit
Transmission speed
[bps: bits per second]
•
Select one of the following with DIP switch 1-7/1-8:
4800/9600/19200bps
•
Select one of the following with commands:
2400/4800/9600/19200/38400/57600/115200 bps
Parity check
Select one of the following with DIP switch 1-5:
•
Yes
•
No
Parity selection
Select one of the following with DIP switch 1-6:
•
Even
•
Odd
Stop bit
1 or more bits
However, the stop bit for data transfer from the printer is fixed to 1 bit.
Connector
Printer side
DSUB 25-pin (female) connector