TP-Link TL-SM311LM - SFP (mini-GBIC) transceiver module - GigE. Transceiver Module Model: TL-SM311LM. Device TypeSFP (mini-GBIC) transceiver module - LC multi-mode. Type Transceiver Module. The TL-SM311 series Fiber Module Cards are introduced for extending transfer distance,attached to the managed/web smart switches.
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