tailieunhanh - Coarse Wavelength Division Multiplexing (CWDM)

In simple terms, a passive CWDM implementation involves placing VAM modules and upgraded transmitters and receivers at each end of the network segment. CWDM equipment performs two functions: 1) segregates the light to ensure only the desired combination of wavelengths are used, and 2) multiplexes and demultiplexes the signal across a single fiber link. | Coarse Wavelength Division Multiplexing CWDM Generate More Revenue with Less Fiber The evolution to next generation services places extraordinary demands on today s networks requiring more fiber and bandwidth than ever before. Market studies indicate that the accrued expense to deploy new fiber cable translates into thousands of dollars per mile. What if there was a cost-effective way to do more with your existing fiber network The CWDM Advantage ADC Coarse Wave Division Multiplexing CWDM Solutions part of the ADC s Value-Added Module VAM family add flexibility and functionality to the optical transport system. CWDM modules separate light or wavelengths allowing multiple signals to be transmitted simultaneously over a single fiber. The benefits of this are easily translated to your bottom line Maximizes the existing fiber network allowing you to meet additional service requirements without adding additional fiber Enables out-of-band testing simply dedicate a separate wavelength for testing and monitoring Installs easily and maintenance is just as simple Here s How it Works In simple terms a passive CWDM implementation involves placing VAM modules and upgraded transmitters and receivers at each end of the network segment. CWDM equipment performs two functions 1 segregates the light to ensure only the desired combination of wavelengths are used and 2 multiplexes and demultiplexes the signal across a single fiber link. CWDM In many applications a 1310 nm fiber route has already been established to accommodate existing services. By adding additional wavelengths with CWDM technology new services can co-exist on the same existing fiber. Providers can install a CWDM system at the headend that will drop one 20 nm channel wavelength at each node along a particular configuration. Each CWDM device is packaged into the VAM platform for seamless integration into fiber panels distribution frames or cross-connect frame systems saving floor space and eliminating extra patch cords.