72at any time. Data path loops will cause broadcast storms that will severely impact yournetwork performance.Diagnosing LED IndicatorsThe Switch can be easily monitored through panel indicators to assist in identifyingproblems, which describes common problems you may encounter and where you canfind possible solutions.IF the power indicator does turn on when the power cord is plugged in, you may have aproblem with power outlet, or power cord. However, if the Switch powers off afterrunning for a while check for loose power connections, power losses or surges atpower outlet. IF you still cannot resolve the problem, contact your local dealer forassistance. CablingRJ-45 ports: use unshielded twisted-pair (UTP) or shield twisted-pair ( STP ) cable forRJ-45 connections: 100Ω Category 3, 4 or 5 cable for 10Mbps connections, 100ΩCategory 5 cable for 100Mbps or 100Ω Category 5e cable for 1000Mbps connections.Also be sure that the length of any twisted-pair connection does not exceed 100meters (328 feet). The length does not exceed 100 meters.