Serial Interface - Epson DFX-5000+ User Manual

Note
All
interface
signal must be less than 0.2 microseconds.
Data transfer must be carried out by observing the ACKNLG or BUSY
signal. (Data transfer to this printer can be carried out only after
the ACKNLG signal or when the level
of
The column heading "Direction" refers to the direction of the signal flow as
viewed from
"Return" denotes the twisted-pair return to be connected at
level. For the interface wiring, be sure to use a twisted-pair cable
signal and

Serial interface

The DFX-5000+ built-in serial interface is an RS-232C asynchronous
interface with the following characteristics.
Data format:
Signal level:
Handshaking:
Bit rate:
Connector plug:
conditions are based on TTL level. Both the rise and fall of each
printer.
the
complete the connection on the return side.
to
1 start bit
Data word length: 8 bits
Odd, even, or no parity
1 or more stop bit
Mark logical "1" (-3 V to -27 V)
Space logical "0" (+3 V to +27 V)
Handshaking by DTR signal or Xon/Xoff.
300, 12OO,
EIA 25-pin connector
of
the BUSY signal is LOW.)
9600, 19200 bps
Technical Specifications A-13
the
receipt
ground
signal
each
for