18
3.8 IrDA Infrared Interface Port
The ROCKY-P248SV built-in a IrDA port which support Serial
Infrared(SIR) or Amplitude Shift Keyed IR(ASKIR) interface.
When use the IrDA port have to set SIR or ASKIR model in the
BIOS’ s Peripheral Setup’ s COM 2. Then the normal RS-232
COM 2 will be disabled.
•
CN9 : IrDA connector
PIN NO.
DESCRIPTION
1
VCC
2
FIR-RX
3
IR-RX
4
Ground
5
IR-TX
6
CIRRX
3.9 Fan Connector
The ROCKY-P248SV provides CPU cooling fan connector,
chassis fan connector. These connectors can supply 12V/500mA
to the cooling fan. In the connector there is a “ rotation” pin . The
rotation pin will send the fan’ s rotation signal to system. So the
system BIOS can recognize the fan speed. Please note that only
specified fan offers the rotation signal.
•
CN16/CN19 : CPU Fan Connector
PIN NO.
DESCRIPTION
1
GROUND
2
12V
3
FAN SENSOR