Adata SP300 Spezifikationen PDF herunterladen (Seite 28)

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3-3. Connectors and Signals

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

SIGNAL GND

Signal ground.

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.

COMPULSION

OUT Compulsion signal

35-36 N/C Unused.

This connector mates with an

Amphenol 57-30360 connector

Fig. 3-3 Parallel interface connector (printer side)

(19) (36)

(1) (18)

1 2 ... 23 24 25 26 27 28 29 30 31 32 33 ... 69 70

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