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1.9 IrDA Infrared Interface Port
WAFER-4821 has a built-in IrDA port supports Serial Infrared (SIR) or Amplitude
Shift Keyed IR (ASKIR) interface. If you want to use the IrDA port, you have to
configure the SIR or ASKIR model in BIOS>Peripheral Setup>COM4. Then the
normal RS-232 COM4 will be disabled.
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CN9: IR Connector
PIN Description
1 VCC
2 N/C
3 IR-RX
4 GND
5 IR-TX
1.10 LAN RJ45 Connector
WAFER-4821 built-in RJ45 LAN connector is for 10Mbps Ethernet (NE-2000
compatible) operation.
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CN14: LAN RJ45 Connector
PIN Description PIN Description
1 TX+ 5 NC
2 TX- 6 RX-
3 RX+ 7 NC
4 NC 8 NC
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CN4: LAN LED
Green LED for LINK and Yellow LED for RX.