Epson ActionLaser Plus, User Manual

Page: 220 / 239

Interface Specifications
Signal levels
Output signals:
Input signals:
V
OL
= 0
to 0.4 V
V
O H
= 2.4 to 5.0 V
V
IL
0 to 0.8 V
V
IH
=
= 2.0 to 5.0 V
Serial interface
The laser printer’s built-in serial interface can be set for either
RS-232C or RS-422A operation. These interfaces have the following
characteristics.
Data format
Word length: 7 or 8 bits
Parity:
0 or 1 bit (None, Odd, Even, Ignore)
Start bits:
1 bit
Stop bits: 1 or 2 bits
The data format can be set using functions and menu items in
SelecType.
Baud rate
300, 600, 1200, 2400, 4800, 9600, 19200 bits per second.
Signal level
RS-232C:
RS-422A:
V
H
= 2.2 to 12V
V
L
= -1.4 to -12V
V
H
= 2.5 to 5V
V
L
= 0 to 0.5V
B-10
Technical Specifications