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Circuit protection

Started by Jon9999, July 25, 2013, 05:17:55 PM

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Jon9999

Given the conversation going on here with reference to the evils of stray ring voltage leaking  through the PHONE port of the OBi110, shouldn't that port have some sort of protection built into it? I mean, it's probably a relatively common mistake to get the phone and line cables reversed. If a single 100-VAC ring can fry the PHONE port, shouldn't there be protection against that?