Last night, I get a call from a customer that I had purchased and installed a switch for, that they were not able to acquire a satellite signal. A check of System Info showed what is known as LNB drift. This means that the LNB can't focus on the satellite to obtain a signal and direct it to the receiver that needs it. A direct connection to that LNB showed the LNB was fine. Hooking it back up to the switch showed that the switch was clearly defective. I replaced the switch with one that I had bought elsewhere, and it worked fine. Just so... read full review »