I have a question about the 8 Channel USB Relay Module. A few things I have done so far: Plugged the module into my computer using a USB A to B cable. Installed the drivers found on Numato. Connected to device using PuTTY. Ran sample commands ver which came back with 00000008. Also I was able to turn relays off and on using 'relay off X' and 'relay on X' (X being the relay number). Read the status of the relays using 'relay read X' I noticed that there was no noise being exerted from the relay's which is kind of strange, is that normal? Also, I noticed the relay LED indicators are not lighting up. At least I thought they were LED's.