Star Micronics SP300 Benutzerhandbuch

– 24 –

Pin no

Signal name

Direction

Function

1

STROBE

IN

Signals when data is ready to be read. Signal

goes from HIGH to LOW (for at least 0.5
microsec.) when data is available.

2-9

DATA 1-8

IN

These signals provide the information of the

first to eighth bits of parallel data. Each signal
is at HIGH level for a logical 1 and at a LOW
level for a logical 0.

10

ACK

OUT

A 9 microsecond LOW pulse acknowledges

receipt of data.

11

BUSY

OUT

When this signal goes LOW, the printer is
ready to accept data. When the printer is in
one of the conditions below. “HIGH” is set.
1. Data being entered.
2. Off line.
3. Error condition.

12

PAPER OUT

OUT

This signal is normally LOW. It will go

HIGH if the printer runs out of paper.

13

SELECTED

OUT

This signal is HIGH when the printer is online.

14-15

N/C

Unused

16

SIGNAL GND

Signal ground.

17

CHASSIS GND

Chassis ground, isolated from logic ground.

18

+5VDC

+5VDC (Max 50mA)

19-30

GND

Twisted pair return signal ground level.

31

RESET

IN

When this signal goes LOW, the printer is

reset to its power-on condition.

32

ERROR

OUT

This signal is normally HIGH. This signal
goes LOW to signal that the printer cannot
print due to an error condition.
Refer to Item 8-4 Emergency Suspension.

33

EXT GND

External ground.

34

COMPULSION

OUT

Compulsion signal

35-36

N/C

Unused.

This connector mates with an
Amphenol 57-30360 connector

(19)

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(1)

(18)