The TP-LINK TL-SM311LM fiber module is a fiber optic expansion module for Ethernet hubs equipped with Mini-GBiC or SFP slots. It enables a Gigabit 1000SX fiber optic connection up to 500m with a multimode LC connector. This module is compatible with the SFP (Small Form Factor Pluggable) standard and has a +3.3V power supply.
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