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Shop›Switch Tranceivers (GBIC/SFP)›TP-Link TL-SM311LS network transceiver module Fiber optic 1250 Mbit/s mini-GBIC/SFP 1310 nm
TP-Link TL-SM311LS network transceiver module Fiber optic 1250 Mbit/s mini-GBIC/SFP 1310 nm
£15.46
£18.55 inc. VAT
Out of Stock(0)MPN: TL-SM311LS
🚚 Next-day delivery £4.95
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Product Overview
AI-generated summary
For £15.46 ex-VAT, the TP-Link TL-SM311LS is exactly the kind of low-cost “make it work” SFP you buy when you already have the right fibre environment and you just need a reliable link. It’s a sensible choice for small business switches and patch-panel setups where you don’t want to pay enterprise-branded prices for a module doing a fairly boring job: move data reliably on the same wavelength. In day-to-day terms, it’s the sort of part that earns its keep—swap it in, it negotiates, and your link comes back without drama.
That said, I’d only buy it if you’re confident about compatibility: the key things are the fibre wavelength and the switch model’s supported optics/SFP type. If you’re mixing vendors or you’re not sure whether your existing link is truly the same standard, it can become a faff (or worse, you end up buying the wrong optics and losing time). Also, if this is for a mission-critical uplink where downtime is costly, you might prefer a branded or higher-tier module even if it costs more—worth it for peace of mind and sourcing certainty.
Specifications
Performance
SFP transceiver typeFiber optic
Maximum data transfer rate1250 Mbit/s
Interface typemini-GBIC/SFP
Single-mode fiber (SMF) supportedY
Multi-mode fiber (MMF) supportedN
Certificates
Compliance certificatesRoHS
Operational conditions
Operating temperature (T-T)0 - 70 °C
Storage temperature (T-T)-40 - 80 °C
Operating relative humidity (H-H)10 - 90 %
Storage relative humidity (H-H)5 - 90 %
Logistics data
Harmonized System (HS) code85369010
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