146 Appendix
Interface And Connectors
RS-232 Serial Interface
Interface Board Specifications (RS-232 standard)
Item Specifications
Data transfer
method
Serial
Synchronization Asynchronous
Handshake Select one of the following using DIP switch 1-3 or the memory switches (switch
operation/command (operation).
❏DTR/DSR
❏XON/XOFF
Signal level MARK -3 V to -15 V logic "1" /Off
SPACE +3 V to +15 V logic "0" /On
Bit length Select one of the following using DIP switch 1-4 or the memory switches (switch
operation/command (operation).
❏7 bit
❏8 bit
Baud rate Select one of the following using DIP switches 1-7/1-8 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 1-5 or the memory switches (switch
operation/command (operation).
❏Yes
❏No
Parity selection Select one of the following using DIP switch 1-6 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
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