Signal

Return

Signal

Parallel

Direction

Description

 

Pin

Pin

 

Cable

 

 

 

 

 

 

Pin

 

 

 

 

 

 

 

 

 

 

11

29

BUSY

11

OUT

A HIGH signal indi-

 

 

 

 

 

 

cates that the prin-

 

 

 

 

 

 

ter cannot receive

 

 

 

 

 

 

data. The signal

 

 

 

 

 

 

goes HIGH in these

 

 

 

 

 

 

cases.

 

 

 

 

 

 

-Data entry, for

 

 

 

 

 

 

each character

 

 

 

 

 

 

-When off line or in

 

 

 

 

 

 

error slate

 

 

 

 

 

 

-When serving the

 

 

 

 

 

 

IBM host and a

 

 

 

 

 

 

byte of parallel data

 

 

 

 

 

 

is received.

 

12

30

PE

12

OUT

HIGH when the

 

 

 

 

 

 

printer is out of

 

 

 

 

 

 

paper.

 

13

 

SLCT

13

OUT

Pulled up to +5V

 

 

 

 

 

 

through a 3.3K

 

 

 

 

 

 

ohm resistance.

 

14

 

AUTO

14

IN

THIS SIGNAL IS

 

 

 

FEED

 

 

NOT SUPPORTED

 

 

 

 

 

 

BY THE C82314*

 

 

 

+

 

 

INTERFACE. (De-

 

 

 

 

 

lined by many

 

 

 

 

 

 

printers to add a LF

 

 

 

 

 

 

to each CR. The

 

 

 

 

 

 

IBM 3270 protocol

 

 

 

 

 

 

does not allow sup-

 

 

 

 

 

 

port of this signal.