Test standard PoE device information, such as af t standard, voltage supply, polarity, and mode. Identify voltage supply, polarity, and mode of non-standard PoE devices. Check for short circuit, cross-connection, and open circuit status in the network cable. Test the current, voltage, and power consumed by DC devices. Loop test function for switch. Product Description Features: 1. Test Criteria: Standard PoE device test information such as standards, voltage supply, polarity, and mode. 2. Voltage Detection: Determine voltage supply, polarity, and mode of non-standard PoE devices. 3. Network Detection: check for short circuits, cross-connections, and open circuits in the network cable. 4. Detect Current: Test the current, voltage, and power consumed by the DC device. 5. Detect Switch: switch loop test function. Transmitter Features: Indicator: LCD 128 x 64 mm, with backlight. Continuity Function Cable Type: CAT5, CAT6. Check UTP/STP Cable: yes. Cable Short Circuit Indicator: yes. Maximum Test Range: 600m. Cable Mapping: transmitter + remote transmitter + switch/router. PoE Function Test Range: DC 5-60V POE. Standard ID: 802.3af/at (standard/non-standard). Test Power Range: 0-18W. Output Interface: yes. Voltage Supply Function: Voltage Test Range: DC0-60V. Current Test Range: 0-3A. Power Test Range: 0-180W. Input Voltage Protection: DC48V 5mA. Maximum Operating Current: ≤80mA Rear Loop: compatible with 10m, 100m, 1000m switch. Power Supply: 3 AAA batteries. Remote Features: Ports: RJ45. Function: Network cable mapping. Input Voltage Protection: DC48V 5mA