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2 parallel interface – Dascom 7010 Programmers Manual DMX User Manual

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5.2 Parallel Interface

1 Specifications

Transmission system: 8 bits parallel (compatibility mode)

Synchronization:

Strobe pulse

Handshake:

ACKNLG and BUSY

Signal logic level:

TTL

2 Usable interface connector

Printer side:

36-pin amphenol type

A standard parallel interface should be used. (The shortest distance should
be used for the interface cable.)

3 Connector signal arrangement

Pin No.

Signal name

Input/Output

Function

1

STROBE

Input

Strobe signal to read 8-bit data

2-9

DATA1-8

Input

8-bit parallel signal

10

ACKNLG

Output

8-bit data request signal

11

BUSY

Output

Signal to indicate printer BUSY
status

12

PERROR

Output

Signal to indicate paper out

13

SELECT

Output

Signal to indicate whether
printer is on-line or off-line

14

AUTOFD

Input

Not used

15

NC

-

Not used

16

GND

-

Ground

17

FGND

-

Frame ground

18

P.L.H.

Output

Not used

19-30

GND

-

Ground

31

INIT

Input

Invalid (ignored)

32

FAULT

Output

Signal to indicate printer error

33-35

NC

-

Not used

36

SELECTIN

Input

Note used

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