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14 ir. header (j2), 15 ext.batt (cn6), 16 battery jumper (jp1) – Acrosser AR-B1550 User Manual

Page 21

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AR-B1550 User

s Guide

19

Parallel Port Pin Assignments

3.2.14 IR. Header (J2)

The Infra-red Header pins assignments are as follow:

1

5

1-VCC

2-NOT USED
3-IRRX
4-GND
5-IRTX

J2

3.2.15 Ext.Batt (CN6)

CN6

1-EXBAT
2-GND

1

3.2.16 Battery Jumper (JP1)

JP1

1

1-EXBAT
2-VCC
3-INTVBAT

1-2

2-3

External Battery

On-Board Battery

JP1: Battery Setting

3.2.17 Watchdog Trigger (J1)-Reversed

JI

1-WDTO
2-GND

1

3.2.18 COM1, COM2 (CN3, CN4)

1
2

9

10

1- DCD

2- DSR

3- RX

4- RTS

5- TX

6- CTS

7- DTR

8- RI

9- GND

COM

PIN

Signal

PIN

Signal

1

-Strobe

14

-Auto Form Feed

2

Data 0

15

-Error

3

Data 1

16

-Initialize

4

Data 2

17

-Printer Select In

5

Data 3

18

Ground

6

Data 4

19

Ground

7

Data 5

20

Ground

8

Data 6

21

Ground

9

Data 7

22

Ground

10

-Acknowledge

23

Ground

11

Busy

24

Ground

12

Paper

25

Ground

13

Printer Select

26

Not Used