Interface Specifications

Serial interface

The DFX-8000’s built-in serial interface is an RS-232C asynchronous interface. It has the following characteristics:

Data Jomat:

1

start bit

Data word length :

7

or 8 bit

 

Odd, even, or no parity

 

1

stop bit

Baud rate:

300, 1200, 9600, or 19200 bits per second

Signal level:

Mark (1) -3 to -27V

 

Space (0) +3 to +27V

Handshaking:

 

Handshaking by DTR signal or X-on/X-off

I

 

 

 

 

Available bytes in

 

Printer status

Signal

the input buffer

I

 

I

 

 

Decreases to 512 bytes

 

Cannot receive input data Sends X-OFF code or

 

 

 

 

 

sets DTR to 1 (Mark)

 

 

 

 

 

 

 

 

Increases to 784 bytes

 

Can receive input data

Sends X-ON code or sets

 

 

 

 

 

DTR flag to 0 (Space)

 

 

 

 

 

 

Error handling: When a parity error is detected, the printer prints an asterisk ( * ). All other errors are ignored.

Connector:

25pin EIA connector

Technical Specifications 8-15