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Parallel (centronics), Auto polling – AMT Datasouth Fastmark 400 User Manual

Page 55

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User's Guide 54

Parallel (Centronics)

Pin Configuration

The parallel port is a standard 36-pin Centronics.

Pin Direction Definition

Pin

Direction Definition

1

In

/STROBE

13

Out

SELECT

2

In

Data 1

14,15

NC

3

In

Data 2

16

-

Ground

4

In

Data 3

17

-

Ground

5

In

Data 4

18

NC

6

In

Data 5

19 to 30 -

Ground

7

In

Data 6

31

NC

8

In

Data 7

32

Out

/Fault

9

In

Data 8

33 to 36 -

NC

10 Out

/ACK

11 Out

BUSY

12 Out

PE

Auto Polling

Both the serial and parallel ports are active at the same time on this printer. Data can be received on
either one, however no provision is made for port contention. If data is transmitted to both ports
simultaneously, it will cause the data in the received buffer to be corrupted.