StarTech.com GLCSXMMDST 1.25Gbps SFP LC 550m Transceiver

Network downtime can cripple your business, especially when a single faulty link stalls critical data flow. The StarTech.com GLCSXMMDST 1.25Gbps SFP LC 550m Transceiver is a hot-swappable fiber module that plugs into Cisco-compatible switches and routers, delivering reliable 1 GbE connectivity over multimode fiber for distances up to 550 m. It keeps your network running smoothly without costly interruptions.

Benefits of StarTech.com SFP transceiver

You gain peace of mind from a lifetime warranty and free multilingual support, ensuring any issue is swiftly resolved. The low power draw of less than 1 W reduces operating costs while maintaining high performance. Its robust aluminium housing and MTBF of over 3.3 million hours mean you can trust it to operate continuously. Digital Diagnostics Monitoring lets you track health in real time, preventing surprises before they affect your service.

Key Features of a 1.25 Gbps SFP transceiver

• Wavelength: 850 nm. Ideal for multimode fibre, providing clear signal transmission.
• Maximum Data Transfer Rate: 1.25 Gbps. Supports full gigabit Ethernet speeds.
• Connection Type: LC Connector. Easy to mate with standard fibre patch cables.
• Maximum Transfer Distance: 550 m (1804 ft). Covers most office and campus layouts.
• MTBF: 3,381,761 hours. Guarantees exceptional reliability over many years.
• Power Consumption: < 1 W. Keeps energy use minimal while staying performant.
• Digital Diagnostics Monitoring (DDM): Yes. Offers real-time monitoring of temperature, voltage and optical power.
• Form Factor: Plug-in module. Fits seamlessly into SFP slots without tools.
• Compatibility: Cisco GLC-SX-MMD equivalent. Works with Cisco switches and routers as a drop-in replacement.
• Warranty: Lifetime. Backed by free technical support for the life of the product.

Usages of a 1.25 Gbps SFP transceiver

You can rely on this module in a variety of everyday scenarios:

• Connecting server rooms to a central core switch over multimode fibre.
• Extending campus networks where copper cabling is impractical.
• Upgrading legacy 100 Mbps links to full gigabit speed without replacing hardware.
• Building resilient backup links for disaster recovery plans.
• Supporting high-bandwidth VoIP and video conferencing streams across office floors.

StarTech.com SFP transceiver

Many buyers worry about compatibility and whether a third-party transceiver will truly match Cisco specifications. They also fear hidden costs from early failures or lack of support. This module is engineered to the Cisco GLC-SX-MMD standard, ensuring seamless operation in Cisco environments. The lifetime warranty and free multilingual technical assistance remove the risk of unexpected expenses, while the built-in DDM gives you ongoing insight into performance, so you can manage your network with confidence.

Specifications