IL<2.4dB , 100GHZ DWDM MUX DEMUX Multiplexing of up to 8 Channels on Fiber Pair to Maximize the Usefulness of Existing Fiber Low Insertion Loss: Typical 3.0dB, Max 3.3dB Passive Transparent Any Rate, Any Service Multiplexing Compliant with All Optical Networking Products (ITU Grid) 1310nm and Expansion Port for Increasing Capacity Monitor Port Taps off 1% of the Signal to Monitor the Channel Power Levels