The Omada SM311LM 1000Base-SX Multi-Mode Mini GBIC Module is a high-performance SFP transceiver built for reliable short-range fiber connectivity in ISP, enterprise, and campus networks. Operating at a 1.25 Gbps data rate with an 850 nm wavelength, it supports transmission distances of up to 550 meters over multi-mode fiber, making it ideal for backbone links, switch uplinks, and high-speed LAN deployments. Designed to meet SFP-MSA standards, the SM311LM ensures broad compatibility with switches, routers, and media converters. Its hot-pluggable design allows quick installation without network downtime, while Digital Diagnostic Monitoring (DDM) provides real-time visibility into module performance for easier maintenance and troubleshooting. Built with FCC and CE compliance, this module delivers stable, efficient connectivity for modern fiber infrastructures.
Technical Specifications
General
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Model: SM311LM
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Form Factor: Mini GBIC (SFP)
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Application: Media converters, switches, routers, fiber uplinks
Performance
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Data Rate: 1.25 Gbps
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Wavelength: 850 nm
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Max Transmission Distance: Up to 550 m
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Cable Type: Multi-Mode Fiber
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Supported Fiber: 50/125 μm and 62.5/125 μm
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Port Type: LC/UPC Duplex
Standards & Compatibility
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Standards: IEEE 802.3z, CSMA/CD, TCP/IP
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Compliance: SFP Multi-Source Agreement (SFP-MSA)
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Safety Certifications: FCC, CE
Hardware Features
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Digital Diagnostic Monitoring (DDM) for real-time status
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Hot-swappable for uninterrupted network operation
Electrical & Physical
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Power Supply: 3.3V
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Dimensions (W × D × H): 2.2 × 0.5 × 0.5 in (55.4 × 13.7 × 12.9 mm)
Environmental
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Operating Temperature: 0°C to 70°C (32°F to 158°F)
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Storage Temperature: -40°C to 80°C (-40°F to 176°F)
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Operating Humidity: 10%–90% non-condensing
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Storage Humidity: 5%–90% non-condensing

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