Extreme Networks G12SXI BlackDiamond 12-Port 1000Base-SX Module

Overview
The Extreme Networks BlackDiamond 12-Port 1000Base-SX Module (model G12SXI) delivers reliable multimode fiber connectivity for high-density switching environments. Designed for the BlackDiamond series chassis, this hot-swappable module provides twelve independent 1000Base-SX ports, enabling fast and cost-effective Ethernet links over short-range fiber runs. Ideal for campus, data center, and enterprise access layers, the G12SXI enhances network scalability while maintaining low power consumption and easy management through the Extreme Networks operating system.

Key Features

• 12 independent 1000Base-SX ports for multimode fiber
• Hot-swappable design for zero-downtime upgrades
• Supports standard LC duplex connectors
• Low power draw of less than 5 watts per module
• Seamless integration with Extreme Networks management tools
• Backward compatible with legacy Extreme Networks chassis

Technical Specifications

• Port type: 1000Base-SX (multimode fiber)
• Connector: LC duplex
• Maximum link length: 550 meters on OM3, 2200 meters on OM4
• Data rate: 1 Gbps per port
• Power consumption: < 5 W (typical)
• Operating temperature: 0 to 40 degrees Celsius
• Dimensions: fits standard BlackDiamond chassis slot
• Compliance: IEEE 802.3z, RoHS

Applications
The G12SXI module is suited for a variety of network scenarios, including:

• Campus backbone connections where fiber is required for interference-free links
• Data center top-of-rack or aggregation switches needing high port density
• Enterprise office deployments that demand reliable gigabit fiber for video and VoIP
• Industrial or educational campuses with existing multimode fiber infrastructure

By adding the BlackDiamond 12-Port 1000Base-SX Module, network administrators can expand their fiber capacity quickly, reduce cable clutter, and ensure consistent performance across critical network segments.