Quote:
Originally Posted by KenK
How do levels get to be 'out of spec'? Is it a faulty install in the first place, or do VM change something in the network to change the levels?
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It's entirely possible the power levels change for other reasons. The cable can degrade (for example, the ducting gets damaged and lets water in). Also, the amps and other equipment in the street cabinets can degrade as it gets older. For instance, the power output from the amp may drop, which, if I understand the system correctly, could cause the modem to raise it's own power output.
There is also the chance that someone (be it an engineer or a member of the public who broke in) has doine something that might affect the power output.