Genuine Cisco GLC-SX-MMD 1000BASE-SX SFP Transceiver — Fully Refurbished & Tested

Save on enterprise networking without sacrificing reliability. This genuine Cisco GLC-SX-MMD SFP transceiver module delivers 1 Gbps Gigabit Ethernet over multimode fiber at 850nm — backed by Reef Telecom's industry-leading 10-year warranty.

Key Specifications

• Part Number: GLC-SX-MMD (Cisco P/N: 10-2626-01)
• Data Rate: 1.25 Gbps (1000BASE-SX Gigabit Ethernet)
• Wavelength: 850nm
• Fiber Type: Multimode Fiber (MMF)
• Max Distance: Up to 550m (OM2/OM3/OM4) | 220m (62.5µm FDDI-grade)
• Connector: Duplex LC
• Digital Optical Monitoring (DOM): Yes — real-time diagnostics
• Form Factor: SFP (mini-GBIC), hot-swappable
• Standards: IEEE 802.3z 1000BASE-SX, SFP MSA compliant
• Operating Temp: 0°C to 70°C (Commercial)
• Condition: Genuine Cisco — Fully Refurbished & Tested

Why Buy from Reef Telecom?

• ✅ 10-Year Warranty on all refurbished equipment
• ✅ Free shipping on orders over $300
• ✅ 100% genuine Cisco — verified with hologram
• ✅ Every unit individually tested before shipping

Compatibility & Use Cases

The Cisco GLC-SX-MMD is compatible with a wide range of Cisco switches and routers including the Catalyst 2960, 3560, 3750, 4500 series, and Nexus platforms. Ideal for enterprise LAN, SAN, and data center Gigabit Ethernet fiber uplinks. Replaces the EOL GLC-SX-MM with added DOM support for intelligent network monitoring.

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.