Epson EPL-8000 User Manual page 237

Interface Specifications
Signal Return
Pin Pin
35
36
Notes:
All interface conditions are based on TTL level. Both the rise
l
and fall times of each signal must be less than 0.2
microseconds.
Data transfer must be carried out by observing the ACKNLG
l
or BUSY signal. (Data transfer to this printer can be carried
out only after the receipt
the level of the BUSY signal is LOW.
The "Direction" column heading refers to the direction of
l
signal flow as viewed from the printer.
•
"Return" denotes the twisted-pair return to be connected at
signal ground level. For the interface wiring, be sure to use a
twisted-pair cable for each signal and to complete the
connection on the return side.
A-10
Appendix A
Signal Direction
+5v
SLCTIN IN
Pulled up to +5V through 3.3KR
resistance
The DC1/DCS control codes are valid
only when this signal is HIGH (SLCTIN
set to OFF). This setting can be changed
with SelecType.
of
the ACKNLG signal or when
Description