... Using PD208 POE separator,you can also prevent the system from damage in no-notice blackouts.In addition, ... Using PD208 POE separator,you can also prevent the system from damage in no-notice blackouts. Through PD208, ... must prepare daily maintenance work, make the power system in the best working state.1. Clean power ... humidity:5% ~90%RH used for VoIP phone ,Wireless access points 5v adapter &splitter