User's Manual
SDR Repeater 
  User Manual V0.4 
Page | 11  
3. SDR Overview 
3.1 Switches & Fault Indicators 
3.1.1 NMS and Module LED 
Figure 1: NMS LED 
SDR-NMS  Specifications 
Solid Green  NMS power is ON Power 
OFF  NMS is powered OFF 
Solid Green  Module has communication with NMS 
Solid Red  Module has a communication failure with NMS 
CH-1, CH-2, CH-3, 
CH-4 
OFF  Module is powered OFF 
3.1.2 Module LEDs 
SDR has LEDs on the front of the module as shown below in Figure 2. 
Figure 1: Module LED 
SDR-Module  Specifications 
Solid Green  Module power is ON Power 
OFF  Module is powered OFF 
Solid Yellow  Soft Fail alarm exist in the system Soft Fail 
OFF  No Soft Fail alarm are present in the system 
Solid Red  Hard Fail alarm exist in the system Hard Fail 
OFF  No Hard Fail alarms are present in the system 
Input < -85dBm  Zero (0) bar On 
Input < -75dBm  One (1) bar On 
Input < -65dBm  Two (2) bars On 
Input < -55dBm  Three (3) bars On 
Input < -45dBm  Four (4) bars On 
RSSI 
Input >= -45dBm  Five (5) bars On 










