Serial interface

 

 

 

Specification

 

Description

 

 

 

 

 

 

 

Standard

 

Based on RS-423

 

 

 

 

 

Synchronization

 

Synchronous

 

 

 

 

 

Bit rate

 

Approximately 1.8M bps

 

 

 

 

 

Handshaking

 

X-ON/X-OFF and DTR protocol

 

 

 

 

 

Word format

 

Data bit: 8 bits

 

 

 

Parity bit: None

 

 

 

Start bit: 1 bit

 

 

 

Stop bit: 1 bit

 

 

 

 

 

Connector

 

8-pin mini-DIN

 

 

 

 

 

Recommended

 

Apple System Peripheral-8 cable (preferably

 

cable

 

Belkin brand)

USB interface

 

 

 

Specification

 

Description

 

 

 

 

 

 

 

Standard

 

Based on Universal Serial Bus Specifications

 

 

 

Revision 1.0, Universal Serial Bus Device Class

 

 

 

Definition for Printing Devices Version 1.0

 

 

 

 

 

Bit rate

 

12 Mbps (full speed device)

 

 

 

 

 

Data encoding

 

NRZI

 

 

 

 

 

Adaptable

 

USB Series B

 

connector

 

 

 

 

 

 

 

Recommended

 

6.5 feet (2 meters)

 

cable length

 

 

 

 

 

 

Specifications

Page 178