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Serial interface
The DFX-5000 built-in serial interface is an RS-232C asynchronous
interface with the following characteristics.
Data
format
Signal
1 start bit
Data word length: 8 bits
Odd, even, or no parity
1 stop bit
level:
Mark (1) 3V to 27V
Space (0) +3V to +27V
Handshaking:
Handshaking by DTR signal
or X-on/X-off.
Vacant print buffer area
Down to 512 bytes
Rises to 784 bytes
Printer status
Printer status
Cannot receive input
Send X-OFF code or sets
data
DTR flag to 1 (Mark)
Can receive input data
Sends X-ON code or sets
DTR flag to 0 (Space)
Error handling:
When a parity error is detected,
your printer will print an
asterisk (*). All other errors are
ignored.
Technical Specifications
B-11