Epson ES-800C User Manual page 58

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Signal pin assignments (cont.)

Return

No.

34-35

"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.

Signal

Direction

INIT

GND

DIR

Function

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.

Not used

Twisted pair return signal

ground level

Not used

Low indicates the

direction is input.

Technical Specifications 5-7

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