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ECM-3612
46 ECM-3612 User’s Manual
2.3.16 IrDA Connector (CN9)
PIN Signal
1 +5V
2 NC
3 IRRX
4GND
5 IRTX
2.3.16.1 Signal Description – IrDA Connector (CN9)
Signal Signal Description
IRRX Infrared Receiver input
IRTX Infrared Transmitter output