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M720 User Manual
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32
2.2.15.
SIR Pin Header
The mainboard has SIR (Serial Infrared) pin header. This pin header is used to
connect to a serial infrared module. The pin header is labeled as “SIR1”. The
pinout of the SIR pin header is shown below.
1
Figure
Figure
Figure
Figure 27
27
27
27: SIR pin header
: SIR pin header
: SIR pin header
: SIR pin header
Pin
Pin
Pin
Pin
Signal
Signal
Signal
Signal
1
+5V
2
NC
3
IRRX
4
Ground
5
IRTX
Table
Table
Table
Table 23
23
23
23: SIR pin header pinout
: SIR pin header pinout
: SIR pin header pinout
: SIR pin header pinout
Note:
Note:
Note:
Note:
Microsoft Windows Vista and Windows 7 do not support the Infrared driver.