18 infrared connector (ir1), 19 led (j1), 20 ethernet rj-45 connector (lan1) – Acrosser AR-B1651 User Manual
Page 14: 21 reset button (rst1)
 
AR-B1651 User’s Guide
1 2
1 +
2 -
2.2.18 Infrared Connector (IR1)
The Infra-red Header pin assignment is as follows:
1 5
2.NC
1.VCC
3.IR DATA RECEIVER
4.GND
5.IR DATA TRANSFER
2.2.19 LED (J1)
1
2
3
1: Power LED
2: LAN LED
3: HDD LED (IDE1)
Power LED: External LED connector for Watchdog status indication. 
LAN LED: External LED connector for 10/100M LAN 
HDD LED (IDE1): External LED connector for primary IDE channel. 
 
 
 
2.2.20 Ethernet RJ-45 Connector (LAN1)
The system supports onboard network connectivity. To utilize this function, install the network driver from the 
utility diskette, and connect the cable to the following RJ-45 header. 
 
1
8
PIN (CN8)
FUNCTION
1 TPTX+
2 TPTX
-
3 TPRX+ 
4 Not 
Used
5 Not
Used
6 TPRX- 
7 Not 
Used
8 Not
Used
2.2.21 Reset Button (RST1)
SW
SW PUSHBUTTON
1
2
14