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HP DX2000 User Manual

Page 66

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A–2

359782-002

Service Reference Guide, dx2000 uT

Connector Pin Assignments

Parallel Interface

Connector and Icon

Pin

Signal

Pin

Signal

Pin

Signal

1

2

3

Strobe

Data Bit 0

Data Bit 1

7

8

9

Data Bit 5

Data Bit 6

Data Bit 7

13

14

15

Select

Auto Linefeed

Error

4

5

6

Data Bit 2

Data Bit 3

Data Bit 4

10

11

12

Acknowledge

Busy

Paper End

16

17

18-25

Initialize Printer

Select IN

Signal Ground

Serial Interface, Powered and Non-Powered

Connector and Icon

Pin

Signal

1

2

3

Carrier Detect (12V if powered)

Receive Data

Transmit Data

4

5

6

Data Terminal Ready

Signal Ground

Data Set Ready

7

8

9

Request to Send

Clear to Send

Ring Indicator (5V if powered)

USB

Connector and Icon

Pin

Signal

1

2

3

4

+5 VDC

- Data

+ Data

Ground

Microphone

Connector and Icon (1/8" miniphone)

Pin

Signal

1 (Tip)

Audio

2 (Ring)

Power

3 (Shield)

Ground

1 2 3

1 2 3