Connector Signals and Functions

Pin

 

 

 

 

Name

Function

1

 

 

 

 

 

 

Goes low for 0.5μs when active.

 

STROBE

2

 

 

 

 

DATA0

These signals represent information for the 1st

3

 

 

 

 

DATA1

through 8th bit of parallel data, respectively.

 

 

 

 

 

 

 

 

 

 

 

Each signal is HIGH when data is logical 1,

4

 

 

 

 

DATA2

 

 

 

 

and LOW when logical 0.

5

 

 

 

 

DATA3

 

 

 

 

 

6

 

 

 

 

DATA4

 

7

 

 

 

 

DATA5

 

8

 

 

 

 

DATA6

 

9

 

 

 

 

DATA7

 

10

 

 

 

 

 

 

 

10μs low to acknowledge receipt of data.

 

 

 

 

ACK

11

 

 

 

 

BUSY

Printer sets line low when ready to receive data.

12

 

 

 

 

PAPER

High when paper runs out.

13

 

 

SELECT

High when printer is on-line.

14

 

 

 

 

AFXT

Printer ignores this signal.

15

 

 

 

 

 

 

 

 

 

 

Not used.

16

SIGNAL GND

Signal ground

17

 

 

 

 

F-GND

Chassis ground (isolated from signal ground)

18

 

 

 

 

 

+5V

+5V DC output from printer

19 - 30

 

 

 

 

GND

Twisted pair ground return

31

 

 

 

 

 

 

 

 

 

 

Printer is reset when this signal goes low.

 

 

 

 

RESET

32

 

 

 

 

 

 

 

 

 

Low when printing cannot continue due to error.

 

 

 

ERROR

33

 

EXT GND

External ground

34 - 35

 

 

 

 

 

 

 

 

 

 

Not used

36

 

 

 

 

 

 

 

Printer ignores this signal

SELECT IN

6

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Image 8
Star Micronics IP-NPC user manual Connector Signals and Functions