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link 6.08.2007 14:14 |
Subject: for lightning and AC power faults для экстренных отказов и отказов сети переменного тока?The RNC will always be connected to an Underwriters Laboratory/Canadian Standards Association (UL/CSA) certified CSU (or other Network Terminating equipment) that provides the secondary protection for lightning and AC power faults. |
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link 6.08.2007 14:15 |
от молний |
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