Genuine Cisco GLC-SX-MMD 1000BASE-SX SFP Transceiver Module

Get reliable 1Gbps fiber connectivity at a fraction of retail cost. This genuine Cisco GLC-SX-MMD SFP transceiver module delivers high-performance Gigabit Ethernet over multimode fiber — backed by Reef Telecom's industry-leading 10-year warranty.

Key Specifications

• Part Number: GLC-SX-MMD (10-2626-01)
• Data Rate: 1.25 Gbps (Gigabit Ethernet)
• Wavelength: 850nm
• Fiber Type: Multimode Fiber (MMF)
• Max Distance: Up to 550m (OM2/OM3/OM4) | 220m (OM1 62.5µm)
• Connector: Duplex LC
• DOM/DDM: Digital Optical Monitoring supported
• Standard: IEEE 802.3z 1000BASE-SX compliant
• Hot-Swappable: Yes — minimize downtime during installation
• Temperature Range: 0°C to 70°C (Commercial)
• Condition: New / Genuine Cisco

Why Buy from Reef Telecom?

• 10-year warranty on all equipment
• Free shipping on orders over $300
• 100% genuine Cisco — verified authentic
• Expert support from telecom specialists

Compatibility & Use Cases

The GLC-SX-MMD is compatible with a wide range of Cisco switches and routers including the Catalyst 2960, 3560, 3750, 4500 series, Nexus, ASR, and ISR platforms. Ideal for enterprise LANs, campus networks, data center interconnects, and SAN environments requiring short-reach 1G fiber uplinks. Replaces the discontinued GLC-SX-MM with added DOM diagnostics.

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.