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StarTech.com Cisco GLC-SX-MM Compatible SFP Module - 1000BASE-SX - 1GE Gigabit Ethernet SFP 1GbE Multimode Fiber MMF Optic Transceiver

  • 1000Base-SX
  • 1000Base-LX/LH
  • 100% CISCO GLC-SX-MM COMPATIBLE: Works with Cisco switches like IE3400, IE3300, IE3200, ME1200, ME2400 and others
  • TECHNICAL SPECS: 1000BASE-SX | 1 Gbps | Multi Mode (MMF) | LC Connector | 850nm | Distances up to 550m (1804ft)
  • TESTED FOR OEM HOST COMPATIBILITY: Hot-swappable in Cisco routers and switches
  • OUTSTANDING SUPPORT: Backed by StarTech.com for the life of the module itself, not your equipment; our modules won't void your OEM support and with access to our Tech Advisors 5/24
  • WORKS WITH MSA COMPLIANT SWITCHES: Also works with switch models from Ubiquiti, D-Link, Netgear, Supermicro, TP-Link and more that accept uncoded modules
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Overview
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100% Cisco GLC-SX-MM compatible guaranteed - Lifetime Warranty on all SFP module

Warranty & Returns

Warranty, Returns, And Additional Information

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  • Warranty Notice:

    This product does not include manufacturer warranty when purchased or used outside of its designated sales region. By purchasing internationally, you acknowledge that warranty support from the manufacturer will not be available.
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The StarTech.com SFPGLCSXMMST is a Cisco GLC-SX-MM-compatible 1000BASE-SX SFP transceiver for connecting compatible switches or routers over multimode fiber, making it suitable for network deployments that need 1Gbps links up to 550m.

Recommended For

  • Network admins adding or replacing a 1GbE optical link in a Cisco switch or router that supports GLC-SX-MM-compatible modules and has an SFP port.
  • IT teams connecting nearby switches, servers, or network closets over existing multimode fiber with LC connections, where a 1GbE link meets the need.
  • Operators of compatible MSA-based switches from brands such as Ubiquiti, Netgear, TP-Link, or D-Link who need a 1000BASE-SX multimode optic and have confirmed host compatibility.
  • Technicians replacing an SFP in a live, supported device who value a hot-pluggable module designed for installation without powering down the equipment.

Real-World Use Scenarios

  • Connect two switches in separate wiring closets over existing multimode fiber: with a compatible 1000BASE-SX module at each end and the fiber correctly matched, the link carries 1GbE network traffic without adding a copper run.
  • Replace a failed or missing GLC-SX-MM-compatible module in a supported Cisco switch or router: the module can be inserted into the SFP port without removing the network device, though the affected link may drop during replacement.
  • Bring a Cisco industrial switch with an SFP port onto a fiber network: on a supported model such as the IE3400, IE3300, or IE3200, this module provides a 1GbE multimode-fiber connection when the far end uses a compatible SX optic.
  • Add a fiber uplink to a compatible non-Cisco switch that accepts uncoded, MSA-compliant SFPs: the module can provide a 1GbE link over existing multimode fiber, subject to the switch accepting the transceiver and the far-end optic matching.

Spec Summary

AttributeValue
Best For1 Gbps Ethernet links over multimode fiber between compatible SFP-equipped network devices, for distances up to 550 m
Ethernet And Standards1000BASE-SX Ethernet; IEEE 802.3z and SFP Multi-Source Agreement (MSA) compliant, with data rates up to 1.25 Gbps
Fiber Optics850 nm wavelength, multimode fiber (MMF), and one LC fiber-optic port
Compatibility And InstallationCompatible with Cisco equipment and fully hot-pluggable
ProtocolsTCP/IP
Model IdentifiersStarTech.com SFPGLCSXMMST