Key benefits and why you need it- Quickly locate the correct cable in a bundle: the cable tracking function identifies the target cable efficiently in environments with many cables, including telephone systems, computer networks, BNC cables, and other metal network cables.- Verify cable length for planning and troubleshooting: the cable length test applies to various metal cables with at least 2 cores, such as network cables, telephone lines, and BNC cables.- Check POE setup and safety: the POE test verifies polarity and voltage on the cable assignments of POE network switches, helping ensure proper power delivery.- Flexible options with two models: ET616 and ET618 provide different measurement ranges; ET618 adds multimeter functions.- Multifunctional and adaptable: supports analog tracking, cable assignment, POE voltage measurement, and adjustable digital tracking sensitivity in a single tester.What this tool does- Cable tracking function- Quickly locate the target cable within a bundle of cables.- Useful for organizing and identifying cables in telecom rooms, data centers, and network closets.- Cable length test- Measures length on metal cables with at least 2 cores.- Suitable for network cables, telephone lines, and BNC cables.- POE test- Checks polarity and voltage of POE cable assignments on network switches.- Multifunctional testing- Analog tracking to locate cables.- Cable assignment capability to identify endpoints.- POE voltage measurement for power-related verification.- Adjustable digital tracking sensitivity to fit noisy or complex cable environments.- Model differences- ET616: network cable length measurement range up to 400 meters.- ET618: network cable length measurement range up to 500 meters and includes multimeter functions.- Only ET618 has multimeter functions.Models, compatibility and scope- ET616- Functions: cable tracking, cable length test, POE test, analog tracking, cable assignment, adjustable digital tracking sensitivity.- Length measurement: up to 400 meters.- No multimeter functions.- ET618- All ET616 functions plus multimeter capabilities.- Length measurement: up to 500 meters.- Includes multimeter functions.Specific use scenarios- Scenario 1: Data center cable management- In a crowded server rack, identify the correct Ethernet or BNC cable among many, confirm its length for proper labeling and patching, and verify POE presence where applicable.- Scenario 2: Office network deployment and troubleshooting- During new switch deployment, verify POE polarity and voltage on powered devices, locate the correct cables in complex bundles, and measure run lengths to ensure installation accuracy.- Scenario 3: Field service for telecom and networking- Locate cables in large installations, test cable continuity and length, and check POE wiring where network devices rely on power over Ethernet.Key attributes at a glance- Functions: analog tracking, cable assignment, POE voltage measurement, adjustable digital tracking sensitivity, cable length test.- Tested cable types: cables with at least 2 cores, including network cables, telephone lines, and BNC cables.- POE verification: polarity and voltage on POE network switch cabling.- Models and ranges: ET616 up to 400 m; ET618 up to 500 m; ET618 includes multimeter functions.This description maintains the original product brand, specifications, models, and functions while presenting a clear, professional, and practical explanation of how the tester helps with everyday cabling tasks.