User's Manual
    Epoch-S02-19001W RF Repeater 
User Manual V1.0 
Advanced RF Technologies, Inc. Proprietary Document  Page 27 of 32 
4  Troubleshooting 
4.1 Epoch-S02 1W OMS V1.XX Scenarios 
Tx Rx Explanation 
RED RED 
The COM port can not send or receive data. Check the COM 
port connection to the computer and the repeater. Ensure that 
the repeater is turned on and that the connection to the 
repeater is secure. 
Blinking 
GREEN 
RED 
The repeater is not receiving any commands from the OMS 
software. Ensure that the repeater is tuned on and check for 
proper COM port connection. 
Blinking 
GREEN 
Solid 
GREEN 
The repeater is not receiving any commands from the OMS 
software. In this state, the repeater is either processing or 
executing a command. Wait for a few seconds for the Rx LED 
to blink periodically. 
Blinking 
GREEN 
Blinking 
GREEN 
Successful Connection. The Epoch-S02 1 w OMS V1.XX and the 
repeater are communicating successfully. 
Note: The Tx/Rx LEDs will blink periodically only on the Status Window. 
4.2 Common Installation Problems 
Problem Possible Solution 
A serial port is 
not available on 
the PC (only has 
a USB Port) 
You would need a USB-to-Serial adapter so that it can connect 
to the straight-through serial cable that is included with the 
repeater. 
The power 
green LED on 
the front panel 
is not lit. 
Option 1: Check if the power supply switch is turned on by 
opening the second door of the repeater. 
Option 2: Check if the control board switch is turned on by 
opening the second door of the repeater. 
OMS Software & 
Laptop - No 
Communication 
Option 1: Please verify that the serial cable is a straight-
through serial cable (use the one that came with the repeater). 
Option 2: Verify that proper COM port has been selected and 
the Tx and Rx LEDs are lit green and blinking periodically on 
the Status Window. 
Status Window – 
Weak Signal or 
Donor RSS 
Option 1: Check that the donor and server antennas are 
connected to the proper antenna ports on the repeater. 
Option 2: Check if the current OMS software loaded is the 
Table 9 - Tx and Rx LEDs 










