IS420ESWBH4A Description Description IS420ESWBH4A Emerson IONet Switch – 16 copper, 1 FX Singlemode Fiber (LC-type) MARK VIES SAFETY MARKVIE CM Related products GTB-CK-AI4/AO2 8423-TB-PG GFK-1645A-FR GFK-2056 GFK-0732 GFK-0827