Parallel Interface

Connector and Icon

Pin

Signal

Pin

Signal

 

 

 

 

1

Strobe

10

Acknowledge

2

Data Bit 0

11

Busy

3

Data Bit 1

12

Paper End

4

Data Bit 2

13

Select

 

 

 

 

5

Data Bit 3

14

Auto Linefeed

6

Data Bit 4

15

Error

7

Data Bit 5

16

Initialize Printer

8

Data Bit 6

17

Select IN

 

 

 

 

9

Data Bit 7

18–25

Signal Ground

 

 

 

 

Serial Interface, Powered and Non-Powered

Connector and Icon

Pin

Signal

 

 

 

 

1

Carrier Detect (12V if powered)

 

2

Receive Data

 

3

Transmit Data

 

 

 

 

4

Data Terminal Ready

 

5

Signal Ground

 

6

Data Set Ready

 

 

 

 

7

Request to Send

 

8

Clear to Send

 

9

Ring Indicator (5V if powered)

 

 

 

Parallel Interface 71