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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
- 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
Specs
Reviews
100% Cisco GLC-SX-MM compatible guaranteed - Lifetime Warranty on all SFP module
Warranty & Returns
Warranty, Returns, And Additional Information
Return Policies
- Return for refund until: January 31, 2027
- Return for replacement until: January 31, 2027
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- Read full return policy for details.
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Manufacturer Contact Info
- Manufacturer Product Page
- Manufacturer Website
- Support Phone: 1-800-265-1844
- Support Email: support@startech.com
- Support Website
- View other products from STARTECH
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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.
Spec Summary
| Attribute | Value |
|---|---|
| Best For | 1 Gbps Ethernet links over multimode fiber between compatible SFP-equipped network devices, for distances up to 550 m |
| Ethernet And Standards | 1000BASE-SX Ethernet; IEEE 802.3z and SFP Multi-Source Agreement (MSA) compliant, with data rates up to 1.25 Gbps |
| Fiber Optics | 850 nm wavelength, multimode fiber (MMF), and one LC fiber-optic port |
| Compatibility And Installation | Compatible with Cisco equipment and fully hot-pluggable |
| Protocols | TCP/IP |
| Model Identifiers | StarTech.com SFPGLCSXMMST |








