This is an 8 channel CWDM mux/demux that operates over channels 47,49,51,53,55,57,59,61. It has a 1310 port and LC connectors. This unit can be used as either a multiplexer or de-multiplexer (mux/demux), and is a plug and play system. All of our mux/demux products are 100% compliant and provide a cost effective solution for your network upgrade needs. With our certification test program, we guarantee your product will work correctly the first time.This is an 8 channel CWDM mux/demux that operates over channels 47,49,51,53,55,57,59,61. It has a 1310 port and LC connectors. This unit can be used as either a multiplexer or de-multiplexer (mux/demux), and is a plug and play system. All of our mux/demux products are 100% compliant and provide a cost effective solution for your network upgrade needs. With our certification test program, we guarantee your product will work correctly the first time.