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Problem about SFP Modules

     Do I need to buy SFP Modules for Huawei S6720? And can I buy compatible SFP module for it?

  • Yes, as S6720 is a optical switch, the optical ports will not able to work without SFP module, so you need to purchase additional SFP Module. And there may generate alarm if you use the compatible SFP module, however, it will not affect normal use.