10G multimode SFP+ optical modules support high-speed 10 Gigabit Ethernet over multimode fiber, with link distances up to 400 meters depending on fiber type and module specifications.

Overview

10 Gigabit multimode optical modules, commonly in SFP+ form factor, are designed for high-density, high-speed network connectivity in data centers, enterprise wiring closets, and service provider networks. They are hot-pluggable, allowing installation or replacement without powering down the switch, and often include digital optical monitoring (DOM) for real-time diagnostics of optical power, temperature, and voltage .

Key Specifications

• Data Rate: 10 Gbps Ethernet
• Fiber Type: Multimode fiber (MMF)
• Connector Type: Duplex LC UPC
• Link Distances:
  • FDDI-grade MMF: 26 meters
  • OM3 MMF (2000 MHz·km): up to 300 meters
  • OM4 MMF (4700 MHz·km): up to 400 meters
• Hot-Swappable: Yes, supports uninterrupted network operation
• Digital Diagnostics: Monitors optical output/input power, temperature, laser bias current, and supply voltage

Examples of Modules

• Cisco 10GBASE-SR SFP+: Supports 26 m on standard MMF, 300 m on OM3, and 400 m on OM4; compatible with 10GBASE XENPAK, X2, and XFP interfaces .
• Intellinet 10G SFP+ Optical Transceiver (Model 507462): Fully hot-pluggable with DOM support for real-time monitoring .
• UniFi 10G Multi-Mode Optical Module: Supports 10G connections up to 400 m over multimode fiber with duplex LC UPC connector .
• FS 10G SFP+ Modules: Offers a variety of 10G connectivity options for data centers and enterprise networks, with global warehouse availability .

Benefits

• High Density: Small SFP+ form factor allows maximum port density per chassis
• Investment Protection: “Pay-as-you-populate” model enables gradual network expansion
• Interoperability: Works with multiple 10G Ethernet interfaces
• Diagnostics: DOM/DOMM features provide proactive monitoring and troubleshooting These modules are ideal for short- to medium-range 10G Ethernet links within racks or across adjacent racks, providing reliable, high-speed connectivity for modern network infrastructures.