07. December 2016

Have you noticed that there are some SFP modules with colorful markings on the market? For SFP, we are not unfamiliar. SFP (Small Form-Factor Pluggable) is a compact, hot-pluggable transceiver used for both telecommunication and data communication applications. But do you know why they are designed with different colors? These colorful SFP modules are called WDM (Wavelength Division Multiplexing) SFPs. WDM is a technology which combines two or more kinds of optical signals at different...