[HX-DU8608D User Manual]
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1、 Interface
2.1 Serial data line interface
Interface type: asynchronous serial communication standard of RS232
Pin definitions：
Pin 1------Power，9-16V DC；
Pin 2------power grounding，Power GND；
Pin 3------serial data receiver，RXD；
Pin 4------serial signal grounding；
Pin 5------serial data transmission，TXD
2.2 RF interface
HX-DU8602T RF interface is TNC female connector of 50Ω
3、Function and operating instruction
3.1 Booting
Press the button of ON/OFF to boot. LED indicator of ON is green, which means
the voltage is normal, and the machine can work normally; if LED indicator of ON is
red flash, which means the voltage is too low, low voltage protection has been worked;
if LED indicator of ON is red, which means the voltage is too high, overvoltage
protection has been worked.
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