CHAPTER

3

Control Interface

INTERFACE SPECIFICATIONS

This section describes the control interface between the host computer and the scanner. For details of the interface, refer to the EIA RS-232C standard.

Connection specifications

Item

 

 

Specification

 

 

 

Remark

 

 

 

 

 

 

Transmission system

Half-duplex

 

 

 

 

 

 

 

 

 

 

Synchronization system

Start-stop

 

 

 

 

 

 

 

 

 

 

Data length

8 bits

 

 

 

 

 

 

 

 

 

 

Stop bit

1 bit

 

 

 

 

 

 

 

 

 

 

Data check

Odd parity check

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D0 D1 D2 D3 D4 D5 D6 D7

P

Stop

 

 

 

 

 

 

bit

 

 

 

Start bit

 

 

 

 

 

 

 

 

 

 

 

 

 

Data transfer rate

1200, 2400, 4800, 9600 bps

 

 

 

Set by

 

 

 

 

 

 

 

EEPROM

 

 

 

 

 

 

 

on Interface

 

 

 

 

 

 

 

PCA

 

 

 

 

 

 

 

Default:

 

 

 

 

 

 

 

4800 bps

 

 

 

 

 

 

Maximum connection

5 m (16 ft.)

 

 

 

 

 

 

 

 

 

 

Standard

EIA RS-232C

 

 

 

 

 

 

 

 

 

 

 

 

INTERFACE SPECIFICATIONS

M3099EX/EH OEM Manual

3-1