The WaveReadyTM Outside Plant Coarse Wavelength Division Multiplexer Universal Multiplexer Module (OSP CWDM UMUX) is a flexible, low-cost solution that enables capacity expansion of existing fiber. Coupled with highly reliable passive optics, which are certified for environmentally hardened applications, the OSP CWDM UMUX allows carriers to make full use of the fiber's available bandwidth in the local loop. The OSP CWDM UMUX is a universal device capable of bidirectional (on a single fiber) or unidirectional (on two fibers) transport applications. The device has been designed to support a broad range of architectures, ranging from scalable point-to-point links to two-fiber protected rings. The market-standard LGX packaging of the OSP CWDM UMUX allows for ready deployment in existing LGX-compatible frames. Alternatively, the device can be adapted for use in WaveReady shelves.