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User Manual for Tersus Radio RS400H3 v2.0
7
Signal Definition
Data & power interface
View from outside to radio
Pin 1: PWR (9~16V DC)
Pin 2: Power GND
Pin 3: RXD
Pin 4: Signal GND
Pin 5: TXD
The definition of the LED indicators are as follows.
Table 1.2 LED indicators
LED
Description
BT
BT is Bluetooth green indicator light. Currently RS400H3 does not
support Bluetooth.
RX/TX
RX/TX is data transmitting-receiving red and green indicator light, green
indicator light represents data receiving, red indicator light represents
data transmitting. Currently RS400H3 supports TX only.