HARXON CORPORATION HX-DU8616D Manuel D’Utilisation

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2 Interface and Component 
2.1 Interface of Serial Port Data Cable 
The interface of serial port data cable uses the asynchronous serial 
communication RS232 standard. 
 
Figure 2 Diagram of eRadio Data Interface 
Table 33 eRadio Data Interface Definition 
Pin Name 
Description 
Remarks 
1 VCC 
 Power 
output 
DC9-16V 
2 GND1 
 Power 
Ground 
 
3 RXD 
Serial port data 
receiving 
RS232 Level 
4 GND2 Signal 
Ground 
 
5 TXD 
Serial port data 
transmitting 
RS232 Level 
2.2 Radio Frequency Interface 
The eRadio radio frequency interface uses 50 OHM TNC negative connector. 
2.3 Instruction of Indicator Lights 
  GPRS/BT is GPRS and Bluetooth red and green indicator light, red 
indicator light represents GPRS module and green one represents 
Bluetooth module; 
  RX/TX is data transmitting-receiving red and green indicator light, green 
indicator light represents data receiving, red indicator light represents data 
transmitting; 
  PWR/ALM is bi-color indicator light for normal power supply and 
under-voltage, green indicator light represents normal power supply, red 
indicator light represents abnormal voltage;