Home > Products > Voice Fiber Optic Multiplexers > CLR-FXS/O-04xx
  CLR-FXS/O-0420 & CLR-FXS/O-0440
  4 Channels Telephone POTS + Ethernet over Fiber Optical Multiplexer, FXO/FXS Set
  - 1 ~ 4-way voice access, support caller ID function and reverse polarity billing functions  
  - 2-4-way Ethernet interface, the rate of 10M / 100M, full / half duplex adaptive, Ethernet can be set to logical isolation  
  - supports FXO voice port FXS ports and port, FXO port and docking PBX, FXS port is connected to the user's phone  
  - Transmission distance of up to 2 to 40km  
  - Multiple power mode options: AC220V, DC-48V / DC24V  
  - DC-48V / DC24V power supply with automatic polarity detection function, when installed without distinction between positive and negative.  
  - Support Telephone Number mutual function of each site