Connector Pin Assignments

Parallel Interface

Connector and Icon

Pin

Signal

Pin

Signal

Pin

Signal

 

 

 

 

 

 

 

 

1

Strobe

7

Data Bit 5

13

Select

 

2

Data Bit 0

8

Data Bit 6

14

Auto Linefeed

 

3

Data Bit 1

9

Data Bit 7

15

Error

 

 

 

 

 

 

 

 

4

Data Bit 2

10

Acknowledge

16

Initialize Printer

 

5

Data Bit 3

11

Busy

17

Select IN

 

6

Data Bit 4

12

Paper End

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)

 

 

 

USB

Connector and Icon

Pin

Signal

 

 

 

 

1

+5 VDC

 

2

- Data

 

3

+ Data

 

4

Ground

Microphone

Connector and Icon (1/8" miniphone) Pin

Signal

 

 

 

1

(Tip)

Audio

1

2

3

2

(Ring)

Power

 

 

 

 

 

 

3

(Shield)

Ground

 

A–2

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Service Reference Guide