Fully Compatible with All ITU-T 1G/10G/25G/40G/100G DWDM Optics Multiplexing of 16 Channels over a Dark Fiber Network IL<3.5dB , 100GHZ DWDM MUX DEMUX Passive devices, No Power No Cooling Required Monitor Port for Troubleshooting, 1310nm Port for Legacy Traffic Support Metro, Regional and Long Haul DWDM Networks