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Azure vs AWS: Which Cloud Platform is Right for Your Business?
28 Feb, 2026





£19.31 inc. VAT
AI-generated summary
If you’ve got a Juniper switch that accepts SFPs and you just need a straightforward, cheap way to get copper gigabit out to a Cat5e/Cat6 run, this £16.12 (ex-VAT) StarTech module is the kind of no-drama purchase that makes sense. It’s aimed at “plug it in and move on” scenarios—small offices, patching existing cabling, or swapping a failed link module without paying Cisco/Juniper premium pricing. For a reseller-friendly job like this, value is the whole story: one port, one cable, predictable 100m behaviour.
That said, I wouldn’t treat it as a long-term “set and forget” part for mission-critical environments without testing first. SFP compatibility is usually fine, but compatibility isn’t just “brand name”—it’s about the specific switch model/firmware and how aggressively the platform checks optics. If you’re deploying many ports at once (or in a sensitive production site), buy one, validate link stability, speeds, and any monitoring/threshold alerts before rolling out. If you need higher reach, PoE isn’t relevant here (it’s Ethernet only), or you’re dealing with shaky cabling, you’ll feel it more with budget modules.
Who should buy: SMBs/IT teams using Juniper switches who need cheap copper gigabit for standard Cat5e/Cat6 runs up to 100m. Who should skip: anyone chasing maximum vendor-grade reliability with minimal change risk, or anyone who hasn’t confirmed their exact Juniper model plays nicely with this specific SFP type.

STARTECH
StarTech.com Cisco SFP-25G-LR-S Compatible SFP28 Module, 25GbE Single Mode Fiber (SMF), 1310nm Tx/Rx, LC Connector, 10km (6.2mi), MSA-Compliant - 25GBASE-LR, 25 Gigabit Optical Transceiver, DDM/DOM Support (SFP-25G-LR-S-C-ST) - SFP28 transceiver module (equivalent to: Cisco SFP-25G-LR-S) - 25GbE - 25GBase-LR - LC single-mode - up to 10 km - 1310 nm

STARTECH
StarTech.com MSA-Compliant SFP-25G-LR-S SFP28 Module, 25Gbps Single Mode Fiber (SMF), 10km (6.2mi), LC Connector, 1310nm, MSA 25 Gigabit Optical Transceiver - SFP28 transceiver module - 25GbE - 25GBase-LR - LC single-mode - up to 10 km - 1310 nm

ALLIED TELESIS
Allied Telesis AT SPTX-90 - SFP (mini-GBIC) transceiver module - 1GbE - 1000Base-T - RJ-45 - up to 100 m - TAA Compliant

TP-Link
TP-Link TL-SM5110-SR - SFP+ transceiver module - 10GbE - 10GBase-SR - LC/UPC multi-mode - up to 300 m - 850 nm - for JetStream TL-SG3428X, TL-SG3452XP V1