The unique POE Injector has power on and current indicator LED's. The Power LED shows that DC power (12V to 24V) is being supplied to the inserter through the DC jack. The Current LED shows that a POE device is plugged in at the end of the CAT5 Ethernet cable up to 330 ft. away from the inserter.FeaturesShielded CAT5e cable and connectors for addedprotection against surges and interferenceCat5 rated RJ45 jack for more reliable high speeddata connections (10/100MB)Shrouded DC jack for improved safetyColor - BlackSpecificationsVoltage Rating - 60VDC MaximumRJ45 Jack - Shielded CAT5 Rated, Gold Plated ContactsRJ45 Power Pins - 4, 5(+) 7, 8(-)DC Jack or Plug - 5.5 x 2.1 mm., ShroudedDC Wire Size - 28AWG x 4CAT5 Wire Size - 24AWG x 8, ShieldedCable Length - 6.5 in.Total Length - 10 in.Operating Temp - 40C to 80C