• Download Catalogue| Chinese| ENGLISH| РУССКИЙ РУССКИЙ
  • Download Preview
  • What does CE marking mean?

  • FAQ    Release time:2018-08-28
  • CE marking is a declaration by the manufacturer that the product meets all the appropriate provisions of the relevant legislation implementing certain European Directives. CE marking gives companies easier access into the European market to sell their products without adaptation or rechecking. The initials "CE" do not stand for any specific words but are a declaration by the manufacturer that his product meets the requirements of the applicable European Directive(s).

    The last one

      Does my products require the CE marking?
    • You need to establish first which, if any, of the New Approach Directives or older Global Approach Directives applies to your product. CE marking only applies to products within the scope of these Directives. It should not be applied to products if they a
    • FAQ2018-08-28

    Next

      What is a CWDM?
    • CWDM stands for Course Wavelength Division Multiplexer. CWDM’s work similar to the WDM’s explained in questions 1 and 2. “Course” meaning the channel spacing is 20nm with a working channel passband of +/-6.5nm from the wavelengthscenter. This is tighter channel spacing than typical Wide Band Optic (WBO) WDM’s, which allows for more channels within the ITU CWDM grid. CWDM’s allow you to multiplex or demultiplex multiple wavelengths over one fiber. This is done by using light wavelength filte…
    • FAQ2023-07-20

    Shenzhen Sopto Technology Co., Ltd. All rights reserved