Connector Pin Assignments

Parallel port connector pin assignments (CN5)

 

Pin

Signal

Pin

Signal

Pin

Signal

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

Strobe

10

 

ACK’

19

 

Signal ground

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

Data 0

 

11

 

BUSY

20

 

Signal around

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3

Data 1

 

12

 

PE

21

Signal ground

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4

Data 2

 

13

 

Select

2 2

 

Signal ground

 

5

Data 3

 

14

 

AFD*

23

 

Signal ground

 

 

 

 

 

 

 

 

 

 

 

 

 

6

Data 4

 

15

 

Error*

2 4

Signal ground

 

7

Data 5

 

16

 

Init*

2 5

Signal ground

 

 

 

 

 

 

 

 

 

 

 

 

 

 

8

Data 6

 

17

 

selection*

 

 

 

 

 

 

9

Data 7

 

1 8

 

Signal ground

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Active low logic

Serial port connector pin assignments (CN7 and CN6)

 

 

Pin

 

Signal

Pin

Signal

 

 

 

 

 

 

 

 

 

1

I

Data carrier detect

6

Data set ready

 

2

 

Receive data

7

Request to send

 

 

 

 

 

 

 

 

 

3

 

Transmit data

8

Clear to send

 

 

 

 

 

 

 

 

4

 

Data terminal ready

9

Ring indicator

 

 

 

 

 

 

 

 

5

 

Ground

 

 

 

 

 

 

 

 

 

 

A-16Specifications