Rev. B Interface And Connectors A-1
TM-L90/TM-L90 with Peeler Technical Reference Guide

Appendix A

Interface And Connectors

A.1 RS-232 Serial Interface

A.1.1 Interface board specifications (RS-232 standard)
Item Specifications
Data transfer
method
Serial
Synchronization Asynchronous
Handshake Select one of the following using DIP switch 3 or the memory switches (switch
operation/command (operation).
DTR/DSR
XON/XOFF
Signal level MARK -3 V to -15 V logic "1" /On
SPACE +3 V to +15 V logic "0" /Off
Bit length Select one of the following using DIP switch 4 or the memory switches (switch
operation/command (operation).
7 bit
8 bit
Baud rate Select one of the following using DIP switches 7/8 or the memory switches (switch
operation/command (operation).
115200 bps (can be set only using the memory switches)
57600 bps (can be set only using the memory switches)
38400 bps (can be set only using the memory switches)
19200 bps
9600 bps
4800 bps
2400 bps
[bps: bits per second]
Parity check Select one of the following using DIP switch 5 or the memory switches (switch
operation/command (operation).
Yes
No
Parity selection Select one of the following using DIP switch 6 or the memory switches (switch
operation/command (operation).
Even
Odd
Stop bit 1 or more bits
However, the stop bit of the transfer data from the printer is fixed at 1 bit.
Connector Printer
side
Dsub-25pin (female) connector