Rev.D Product Overview Appendix D-81
TM-U675/U675P (with autocutter) Service Manual
Confidential
RS-485 Serial Interface
bps: bits per second
Handshake, bit length, baud rate, and parity are set by the DIP switches.
The data stop bit is fixed at 1 bit.
Table D-38 RS-485 serial interface specifications
Item Specifications
Data transfer method Serial
Synchronization Asynchronous
Handshake DTR/DSR or XON/XOFF control
Signal level 2.5V
5 V: Logic "1"
0.0V
0.8 V: Logic "0"
Baud rate 2400, 4800, 9600, 19200 bps
Parity None, even, odd
Stop bit 1 bit or more
Connector D-SUB25 (female)
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