User guide
AVALON RF, INC.    Page 6 of 28 
DX404/DX504/DX604 User’s Guide & Operating Manual 
2.5  Digital Wireless Link Data Input. 
The digital wireless link input connector is a LEMO type 
ECG1B3147CLL or equivalent. The mating connector is a 
FGG1B314CLAD62 
The connector pin-out is: 
Pin
  Pin
1  Speaker Left  8  Telemetry 1 
2  Microphone  9  Telemetry 2 
3  Speaker Left  10  Telemetry 3 
4  Microphone Bias  11  Ground 
5  RS485 I/O “A”  12  Ground 
6  RS485 I/O “B”  13  N/C 
7  Alarm  14  N/C 
Figure E – Digital 
Wireless Link 
Data Input 
2.6  Digital Wireless Link Antenna Output 
The antenna output is a BNC antenna with 50 Ω (ohm) impedance. 










