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

• Part Number: GLC-SX-MM (Cisco P/N: 30-1301-02)
• Data Rate: 1.25 Gbps (1000BASE-SX)
• Wavelength: 850nm
• Connector: Dual LC
• Fiber Type: Multimode Fiber (MMF)
• Max Distance: Up to 550m (50/125µm), 220m (62.5/125µm), 1km (OM3)
• Standards: IEEE 802.3z, SFP MSA Compliant
• Form Factor: Hot-swappable SFP (mini-GBIC)
• Power Supply: Single +3.3V, low power consumption
• 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.

Free ground shipping on orders over $300. Same-day shipping on orders placed before 4PM EST.

All products include our industry-leading 10 Year Warranty backed by Reef Telecom.