Epson C31CA85090 Reference Guide - Page 105

Appendix, Specifications of Interfaces and Connectors, RS-232 Serial Interface

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Appendix Appendix Specifications of Interfaces and Connectors 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-232 Serial Interface Interface board specifications (RS-232-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: 4800/9600/19200/38400 bps  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 105

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Appendix
105
Appendix
Specifications of Interfaces and Connectors
RS-232 Serial Interface
Interface board specifications (RS-232-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:
4800/9600/19200/38400 bps
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