16 Port Gigabit Ethernet Poe Switch with 2 SFP Slot Uplink for CCTV

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Do I need to protect the physical empty SFP port? What's a good way to do so? Empty SFP slots should be covered when not in use,

Gigabit Mini Media Converter Slot SFP Transceiver Module 1001000M 1 SFP Slot 1 RJ45 Single Mode Ethernet SFP Fiber Switch Delivery Free Shipping  SFP port is a recessed slot in a network device for accommodating a matching small form-factor pluggable

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