Appendix; Rs-485 Serial Interface - Epson TM-U200 Series Technical Manual

C o n fid e n tia l

Appendix

RS-485 Serial Interface

Data transmission:
Synchronization:
Handshaking:
Signal levels:
Baud rates:
Data word lengths:
Parity settings:
Stop bits:
Notes:
Handshaking is set through the DIP switches on TM series printers. The choices indicated in
parentheses above are typical choices or a typical range of choices supported by TM series printers.
DR1 > DR2 CS1 > CS2 indicates that:
Channel 1 is HIGH.
Channel 2 is LOW.
DR1 < DR2 CS1 < CS2 indicates that:
Channel 2 is HIGH.
Channel 1 is LOW.
Signal levels and communication control functions
CS1 CS2
H L
L H
Rev. A
Bit serial
Asynchronous
Depends on the DIP switch settings
(DTR/DSR or XON/XOFF control )
2.0 V to 5.0 V: Logic 1
0.0 V to 0.8 V: Logic 0
Depends on the settings of the TM series printer
(2400 to 19200)
Depends on the settings of the TM series printer
(7 or 8 bits)
Depends on the settings of the TM series printer
(None, even, odd)
Depends on the settings of the TM series printer
(1 or more)
Function
Communication is available
Communication is not available
TM-U200 Series (Type A/AM) Technical Manual
Appendix 1