ADD-CWDMMUX16-LC is a 16 Channel MUX/DEMUX CWDM Module with a 1310 express port, all within a single 1U 19ft.' rack mount package. This MUX/DEMUX combines several fiber optic signals into a single pair of 9-/125- single-mode fibers. The CWDM CWDM MUX supports ITU-T G.694.2 wavelengths between CWDM, and can be customized in 20 nm increments. AddOn's MUX/DEMUX products are fully compliant for all of our networking needs. Now you have a cost effective solution to your network upgrade needs. AddOn Network Upgrades 16 Channel CWDM MUX/DEMUX 19in. Rack Mount is one of many Networking Transceivers & Converters available through Office Depot. Made by AddOn.