Signal pin assignments (cont.)
Pin
Return
No.
pin
31
32
33
-
NC
-
GND
-
NC
-
Not used
-
34-35
-
36
-
DIR
IN
-
Signal
Direction
Function
INIT
IN
When this signal level
becomes low, the
scanner is reset to the
state when power is
turned on. This level is
usually High. The pulse
width must be more
than 50 microseconds at
the receiving terminal.
Twisted pair return signal
ground level
Not used
Low indicates the
direction is input.
“Return” denotes the twisted-pair return, to be connected
at signal ground level. For interface wiring, be sure to use a
twisted-pair cable for each signal, and to complete the
connection on the return side. These cables should be
shielded and the ground connected to the chassis of the
host computer and the scanner.
All interface conditions are based on TTL level.
Technical Specifications 5-7
Содержание ES-800C
Страница 1: ...EPSON User s Guide 4001696 COl 00 ...
Страница 3: ...EPSON ES 800C Scanner User s Guide ...
Страница 64: ...Appendix Scanner Functions A 2 How the scanner works A 2 Scanner settings A 3 Appendix A 1 ...
Страница 89: ...Epson America Inc 20770 Madrona Avenue Torrance California 90503 Printed in Japan 92 C ...
