07 May 2025

The Tenma 72-2665 Network Cable Tester is designed for network engineers and technicians to test and diagnose Ethernet cables. This device is compatible with a variety of cable types, including twisted pair cables (Cat 5, Cat 5e, Cat 6) and is essential for ensuring a reliable network connection.
The 72-2665 features a simple yet effective LED display that provides clear visual indications of the cable’s status. Users can quickly identify wiring issues such as open circuits, short circuits, crossed pairs, and miswiring, which aids in troubleshooting and ensures that installations meet performance standards. With its built-in wiremap function, this tester allows users to confirm the proper wiring configurations to avoid common installation errors.
One of the key benefits of the Tenma 72-2665 is its compact design, making it portable and easy to use in the field. The tester comes with a remote unit that enables testing of cables from different locations, which is particularly helpful for long cable runs. Powered by standard 9V batteries, it offers robust performance without requiring complex setups.