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AR-B1851 User’s Guide
AR-B1851
16
3.5 Fan Connector (FAN1)
The AR-B1851 provides one connectors for CPU cooling fan they can be
controlled by Super I/O Chip.
•
FAN1: Fan Connector for CPU
3.6 LAN RJ45 Connector (LAN1/2)
AR-B1851 is equipped with built-in 10/100Mbps(Option) or
1000MbpsEthernet Controller. You can connect it to your LAN through
RJ45 LAN connector. The pin assignments are as following:
• LAN1/2 : LAN RJ45 Connector
PIN NO. DESCRIPTION PIN NO. DESCRIPTION
1 TX+ 5. N/C
2 TX- 6. RX-
3. RX+ 7. N/C
4. N/C 8. N/C
PIN NO. DESCRIPTION
1 GND
2 +12V
3 PWM Signal
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