The non-latching version falls back to C-to-A position if power is lost. Operate transparently to signal rates, formats, and wavelengths, and don''t require an upgrade when your data protocols change or speeds increase. Work with 62.5-/125-micron multimode. Universal 100-240-VAC power supply. There''s a reason why these types of manual switches continue to be the switches of choice for networking professionals everywhere: The tried-and-true optical switches perform as promised year after year. They''re reliable because they use micro-mirrors instead of electronics to route data signals from one fiber optic port to the next. And unlike conventional electronic switches, there are no complex and vulnerable electronic circuits to monitor and protect from intrusion, component failure, or interference. The switches are available in latching and non-latching models. The optical mirror movement on the latching version maintains the selected position even when there''s a power failure.