EDAN H100N - Page 39

H100N Pulse Oximeter User Manual Introduction
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Symbol for caution
Type BF applied part
Auxiliary output connector
SIO definition:
PIN Name Description
1 GND GND
2 LED+
LED drive signal,
IR Anode
3
LED-
LED drive signal,
Red Anode
4
TXD / Sensor
Memory Return
UART Tx /
DigiCAL
communication
signal return signal
return