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

Select one of the following with DIP switch 1-7/1-8:

[bps: bits per second]

4800/9600/19200/115200 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

 

 

 

 

 

 

 

 

 

 

 

 

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Epson T70 specifications Specifications of Interface and Connector, RS-232C Serial Interface