Home > Products > Voice Fiber Optic Multiplexers > CLR-FXS-0400                 CLR-FXS-0100, CLR-FXS-0200, CLR-FXS-0400       1-4 Channels Telephone POTS over Fiber Multiplexer, FXO/FXS Set                       Ordering Information                   CLR-FXS-0100 1 Channel Telephone POTS over Fiber Multiplexer, FXS CLR-FXO-0100 1 Channel Telephone POTS over Fiber Multiplexer, FXO CLR-FXS-0200 2 Channels Telephone POTS over Fiber Multiplexer, FXS CLR-FXO-0200 2 Channels Telephone POTS over Fiber Multiplexer, FXO CLR-FXS-0400 4 Channels Telephone POTS over Fiber Multiplexer, FXS CLR-FXO-0400 4 Channels Telephone POTS over Fiber Multiplexer, FXO