Home > Products > Voice Fiber Optic Multiplexers > CLR-FXS-3000                 CLR-FXS-3000, CLR-FXO-3000       30 Channels Telephone POTS over Fiber Multiplexer, FXO/FXS Set                       Ordering Information                   CLR-FXS-3000 FXS 30 Voice to Fiber Converter SM SC 20km CLR-FXO-3000 FXO 30 Voice to Fiber Converter SM SC 20km