14 ir. header (j2), 15 ext.batt (cn6), 16 battery jumper (jp1) – Acrosser AR-B1551 User Manual
Page 21: 17 watchdog trigger (j1)-reversed, 18 com1, com2 (cn3, cn4), Cn6 1-exbat 2-gnd 1
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)
1
3
JP1
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