© MuxLab Inc . Passive CCTV Power Integrator Hub InstallationGuidePage 194.TroubleshootingThe following chart describes some of the problem symptoms, theprobable causes and possible solutions. If the information belowdoes not solve the problem, please contact MuxLab TechnicalSupport at 877-689-5228 (North America) or at (+1) 514 905-0588 (International) or via e-mail at videoease@muxlab.com.Picture Probable Causes Possible SolutionsNo video image Power-off.Tripped fuseCheck power supplies of CCTVequipment. Check LEDindicators and power OFF theaffected port or the entire hubfor 3 to 5 seconds.Wrong pinconfigurationCheck pin configuration andverify straight-through wiring.Defective CCTVBalunChange CCTV baluns foranother pair.Poor imagequality,distortions,interferenceEMI interferenceWires reversedon signal pair onone sideSplit pairCheck that wiring is not tooclose to transformers andlighting ballasts.Make sure that the wires on thesignal pair are not reversed onone side.Check if the UTP pairs arecorrect (not split)Picture losescolor, faded orweakExceededdistancespecificationsLower gradeUTP cable isintroducing highlossesCheck DC loop resistance andverify if distance spec isexceeded.Reduce cable length or eliminatehigh-loss components.Replace cable by higher grade.Wires reversedon signal pair onone sideMake sure that the wires on thesignal pair are not reversed onone side.