Genuine Cisco GLC-SX-MM 1000BASE-SX SFP Transceiver Module
Save on enterprise networking without compromising reliability. This genuine, fully refurbished Cisco GLC-SX-MM SFP transceiver module delivers 1Gbps Gigabit Ethernet over multimode fiber — professionally tested and backed by Reef Telecom's industry-leading 10-year warranty.
Key Specifications
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Part Number: GLC-SX-MM (Cisco P/N: 30-1301-02)
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Data Rate: 1.25 Gbps (1000BASE-SX)
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Wavelength: 850nm
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Connector: Dual LC
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Fiber Type: Multimode Fiber (MMF)
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Max Distance: Up to 550m (50/125µm), 220m (62.5/125µm), 1km (OM3)
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Standards: IEEE 802.3z, SFP MSA Compliant
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Form Factor: Hot-swappable SFP (mini-GBIC)
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Power Supply: Single +3.3V, low power consumption
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Temperature Range: 0°C to 70°C (commercial)
Why Buy from Reef Telecom?
- ✅ 100% Genuine Cisco — not third-party compatible
- ✅ Professionally inspected, tested, and certified
- ✅ 10-Year Warranty on all refurbished equipment
- ✅ Free shipping on orders over $300
Compatibility & Use Cases
The Cisco GLC-SX-MM is compatible with a wide range of Cisco switches, routers, and firewalls including Catalyst 2960, 3560, 3750, 4500 series, and Nexus platforms. Ideal for Gigabit Ethernet uplinks, enterprise LAN/SAN networks, data center interconnects, and ISP communication links.
