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.