TEST THE INFORMATIONOF STANDARD/NON-STANDARD PoE DEVICE SUCH AS VOLTAGE,POLARITY,MIDSPANOR ENDSPAN
IDENTITY THE TYPE OF PSE,IT IS AF OR AT STANDARD
TEST THE OPEN,SHORT,CROSS STATUS IN THE NETWORK CABLE
TEST THE REAL TIME POWER CONSUMED BY PD DEVICES IN PoE POWER SUPPLY SYSTEMS
TEST THE POWER CONSUMED BY DC APPLIANCES
THE LOOP TEST FUNCTION OF THE SWITCH