You should have 4 upstream channels not 2. Also the Pre (recoverable) and Post RS errors are high if you have just reset your hub. I believe you probably have a noise ingress problem. Call customer services and report the problem.
Tudor There are 10 types of people: those who understand binary and those who don't and F people out of 10 who do not understand hexadecimal c1a2a285948293859940d9a49385a2