Parallel interface – Genicom PC4 User Manual

Page 64

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52

EasyCoder PC4 User’s Guide

Appendix C — Interfaces

Parallel Interface

Handshake:

DSTB to printer and BUSY to host.

Printer connector:

36-pin female Centronics connector.

Pin

Signal Name

Transmitter

1

-Strobe

Host

2–9

Data 0–7

Host

10–11

Busy

Printer

12

Paper empty

Printer

13

Select

Printer

14–15

Not connected

16

Signal ground
17

Chassis ground

18

+ 5V DC

Max. 500 mA

1

19–30

Signal ground

31

-Init

32

-Fault

Printer

33

Signal ground

34–36

Selectin

1

/.The combined load on the external +5V on both the parallel and the

serial port must not exceed a total of 500 mA.

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