The is more than a URL; it is a key to diagnosing specific, often industrial or broadcast, network environments. While the original link may be buried in legacy support forums, the safest acquisition paths are official vendor archives, hardware CDs, or direct support tickets with TotuSoft.
Some users report the link structure as: https://www.totusoft.com/downloads/hardware_ph/lanspeedtest_v350ph.zip Note: This link may require an enterprise login, as PH versions are frequently licensed for hardware integrators. lan speed test v350ph link