RBR50

You didn't tell us much. 

Basically "my RBR50 doesn't work"

Ok, how about some details. 

1. what firmware is on it? 

2. what modem/gateway is it connected to? 

3. does the led's come on? what do they do? 

4. do wired devices work? 

5. does wifi broadcast but not connect? 

6. whats actually happening. 

As you can see, we can't help without details. So help us to help you with whats actually going on, what your setup is, what you've tried, etc.