Interface specifications

Your printer is equipped with an 8-bit parallel interface.

Specifications and pin assignments

The built-in parallel interface has the following characteristics:

Data format:

Synchronization:

Handshake timing

Signal level:

Connector:

&bit parallel

STROBE pulse

BUSY and ACKNLG signals

TTL compatible

36-pin 57-30360 Amphenol connector or e q u i v a l e n t

The table below provides the connector pin assignments and describes their respective interface signals.

Signal

 

Return

 

 

 

 

 

 

 

Pln

 

Pin

Signal

 

Direction

Descrbtton

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

 

19

 

 

 

 

 

IN

 

 

 

 

 

STROBE

 

 

STROBE

pulse to read data.

 

 

 

 

 

 

 

 

 

 

 

Pulse width must be more

 

 

 

 

 

 

 

 

 

 

 

than 0.5 us at the receiving

 

 

 

 

 

 

 

 

 

 

 

terminal.

-

 

 

 

 

 

 

 

 

 

 

 

 

2

 

20

 

 

DATA 1

 

IN

These signals represent

 

3

 

21

 

 

DATA 2

 

IN

information in bits 1 to 8 of

 

4

 

22

 

 

DATA 3

 

IN

parallel data respectively.

 

5

 

23

 

 

DATA 4

 

IN

Each signal Isat HIGH level

 

6

 

24

 

 

DATA 5

 

IN

when data is logical 1 and

 

7

 

25

 

 

DATA 6

 

IN

LOW when it is logical 0.

 

8

 

26

 

 

DATA 7

 

IN

 

 

 

9

 

27

 

 

DATA 8

 

IN

 

 

 

10

 

28

 

 

 

 

OUT

About an 11q.s pulse. LOW

 

 

 

 

ACKNLG

 

 

 

 

 

 

 

 

 

 

 

 

Indicates that data has been

 

 

 

 

 

 

 

 

 

 

 

received and that the printer

 

 

 

 

 

 

 

 

 

 

 

is ready to accept more

 

 

 

 

 

 

 

 

 

 

 

data.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A-8 Appendix