Epson TM-T88V TM-T88V Technical Reference Guide - Page 104

Specifications of Interfaces and Connectors, RS-232 Serial Interface

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Specifications of Interfaces and Connectors For detailed information about LAN or wireless LAN, see the Technical Reference Guide for the interface board. 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 104

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104
Specifications of Interfaces and Connectors
RS-232 Serial Interface
Interface board specifications (RS-232-compliant)
For detailed information about LAN or wireless LAN, see the Technical Reference Guide for
the interface board.
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