These switches provide flexibility with optional up to six RJ45 Ethernet ports and up to four optical ports, compatible with both multimode (MM) and singlemode (SM) fiber optic configurations. This allows them to be adapted to different networking needs and environments. VERSITRON manufactures a wide range of fiber optic switches that provide links for your 10Base, 100Base, 1000Base Gigabit, and 10 Gigabit networks simultaneously. 5G, and gigabit options to expand your bandwidth. Various port sizes are available. Check each product page for other buying options.