Signal pin assignments

In this table, the direction of the signals is given relative to the scanner.

Pin No.

Signal

I/O

Description

 

 

 

 

1

C.GND

-

Chassis ground

 

 

 

 

2

TXD

Out

Transmit data

 

 

 

 

3

RXD

In

Receive data

 

 

 

 

4

RTS

Out

Request to send

 

 

 

 

5

CTS

In

Clear to send

 

 

 

 

6

DSR

In

Data set ready

 

 

 

 

7

S.GND

-

Signal ground

 

 

 

 

819

NC

-

-

 

 

 

 

20

DTR

Out

Data terminal ready

 

 

 

 

2125

NC

-

-

 

 

 

 

Cable wiring

A typical example of cable wiring is shown below.

Interface Specifications

A-3