- VoIP & Phone Systems
VoIP Number Porting: How to Keep Your Business Phone Numbers
18 Mar, 2026
£81.73 inc. VAT
AI-generated summary
For £68.10 ex-VAT, this is one of those “fine, but don’t buy it blindly” twinax SFP+ DAC-style links. In day-to-day rack use it’s genuinely solid: if your switch and transceiver expectations match, you’ll usually get clean link stability with none of the fuss you can get from cheaper third-party copper. Cisco-branded cables also tend to be the least annoying option for compatibility and “will it negotiate at speed?” headaches—especially in mixed fleets where you don’t want support tickets.
Who should buy it? If you’re standardising on Cisco 2960/2960G/2960S-era hardware, Nexus/ESS kit, or you’re building a short-reach SFP+ to SFP+ patch within a couple of metres, this is a sensible choice—particularly when time and reliability matter more than shaving a few quid. Who should *avoid* it? If you’re doing lots of long runs, if your ports are already settled on a specific approved ecosystem, or if you’re just trying to stock spares for unknown gear, this price starts to look high versus the generic options. My honest take: buy it when you know it fits your exact SFP+ setup and you value “works first time”; otherwise, it’s not the kind of cable I’d pay a premium for without checking compatibility.

STARTECH
StarTech.com USB 3.0 to Fiber Optic Converter, Compact USB to Open SFP Adapter, USB to Gigabit Network Adapter, USB 3.0 Fiber Adapter Multi Mode(MMF)/Single Mode Fiber (SMF) Compatible - USB Ethernet adapter (US1GA30SFP) - Network adapter - USB 3.0 - 1000Base-LX/1000Base-SX x 1 - black

STARTECH
StarTech.com Cisco SFP-10G-LRM Compatible SFP+ Module, 10GBASE-LRM, 10GbE MMF Optic Transceiver, LC Connector, 200m, 1310nm, DDM, Cisco Firepower, ASR9000, C9300, Mini GBIC Transceiver - Lifetime Warranty (SFP10GLRMST) - SFP+ transceiver module (equivalent to: Cisco SFP-10G-LRM) - 10GbE - 10GBase-LRM - LC multi-mode - up to 220 m - 1310 nm

STARTECH
StarTech.com Cisco Meraki MA-SFP-10GB-LR Compatible SFP+ Module, 10GBASE-LR, 10GbE SMF Optic Transceiver, Gigabit Ethernet SFP+, LC Connector, 10km 1310nm DDM, Cisco Meraki MS225, MX400 - Lifetime Warranty (MASFP10GBLR) - SFP+ transceiver module (equivalent to: Cisco Meraki MA-SFP-10GB-LR) - 10GbE - 10GBase-LR - LC single-mode - up to 10 km - 1310 nm

Dell
Dell - SFP (mini-GBIC) transceiver module - 1GbE - 1000Base-SX - LC multi-mode - up to 550 m - 850 nm - for Force10, Networking C7004, C7008, S5000, PowerEdge VRTX, PowerSwitch N1524