EPSON Stylus Color 900

Revision C

1.3.3 Mac Serial Interface

Standard:

Based on RS-423

Synchronization:

Synchronous

Bit Rate:

Approximately 1.8 Mbps

￿Handshaking:

X-ON/X-OFF, DTR Protocol

Word Format:

Start Bit = 1 bit

 

Data Bit = 8 bit

 

Parity Bit = No parity bit

 

Stop Bit = 1 bit

Adaptable Connector: 8-pin mini circular connector

￿Recommended Cable:Apple System Peripheral-8 Cable Connector pin assignment and signal:See Table 1-14.

Table 1-14. Pin Assignment

Pin No.

Signal

I/O

Description

Name

 

 

 

 

 

 

 

1

SCLK

O

Synchronous clock signal

 

 

 

 

2

CTS

I

Clear To Send

 

 

 

 

3

TXD-

O

Transmit Data (-)

 

 

 

 

4

SG

I

(Signal Ground)

 

 

 

 

5

RXD-

I

Receive Data (-)

 

 

 

 

6

TXD+

O

Balanced Transmit Data (+)

 

 

 

 

7

DTR

O

Data Terminal Ready

 

 

 

 

8

RXD+

I

Balanced Receive Data (+)

 

 

 

 

￿X-ON/X-OFF, DTR protocol:See Table 1-15.

Table 1-15. X-On/X-Off and DTR Protocol

State

Buffer Space

X-ON/X-OFF

DTR

 

 

 

 

Busy

Less than 3072 bytes

Send X-OFF code

OFF

 

 

 

 

Ready

More than 5120 bytes

Send X-ON code

ON

 

 

 

 

Product Description

Interface

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Epson SEIJ98006 manual Mac Serial Interface, Pin Assignment, X-On/X-Off and DTR Protocol, Pin No Signal Description Name

SEIJ98006 specifications

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