Star Micronics SJ-48 Manual

A SERVICE OF

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PINOUT OF INTERFACE CONNECTOR

The following describes the pinout of the interface connector (signals which are low when

active are overlined).

Pin Name Function

1 STROBE Goes from high to low (for 20.5 us) when active

I 2 I DATAO I High when active

I

I 3 I DATA1 I Highwhen active

I

4 DATA2 High when active

5

DATA3

High when active

6

DATA4 High when active

I 7

I DATA5 I Highwhenactive

I

I 8 I DATA6 I High when active

I

9

DATA7 High when active

10 ACK 4 ps low pulse acknowledgesreceiptof data

11 BUSY

Low when minterreadyto receive data

I 12 I PAPER

I High whenpaperout.

I

I 13 I SELECT I High when printer is on-line

I

14, 1.5

N/C

16

SIGNAL GND Signal ground

17 CHASSIS Chassis ground (isolated from signal ground)

18 N/C

19-30 GND

Twisted pair ground return

31

RESET

When this input signal is low, printer is reset

32

ERROR Outputs low when printer cannot continue, due to an error

33

EXT GND External mound

I

I

34

N/C

I

I 35 I

+5V I +5V DC output from printer

I

I 36 I

N/C

I

I

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