Product Key Features – Cisco GLC-SX-MMD 1000BASE-SX SFP Transceiver Module
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1000BASE-SX short-range SFP transceiver module for Gigabit Ethernet
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Supports up to 550 meters on multimode fiber (MMF)
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Operates at 850 nm wavelength for high-speed short-distance transmission
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LC duplex connector for secure optical connectivity
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Digital Optical Monitoring (DOM) support for real-time diagnostics
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Fully hot-swappable for fast deployment and minimal downtime
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Compliant with IEEE 802.3z standard for Gigabit Ethernet
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Compatible with Cisco switches, routers, and SFP-enabled devices
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Compact, energy-efficient design for high-density applications
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Ideal for data centers, wiring closets, and enterprise access networks
High-Speed Short-Range Connectivity – Cisco GLC-SX-MMD 1000BASE-SX SFP Transceiver Module
The Cisco GLC-SX-MMD is a high-performance 1000BASE-SX SFP transceiver module designed for short-range Gigabit Ethernet connections over multimode fiber (MMF). Operating at a wavelength of 850 nm, it supports transmission distances of up to 550 meters, depending on the fiber type. This makes it ideal for intra-building links, wiring closets, and connections between access and distribution layer switches in enterprise and campus networks.
Compact and Hot-Swappable – Cisco GLC-SX-MMD 1000BASE-SX SFP Transceiver Module
Built for maximum flexibility, this transceiver features a hot-swappable design, allowing you to insert or replace it without disrupting active equipment or services. Its compact SFP form factor supports high-density deployments, especially in switch and router environments with numerous fiber ports. Whether you're expanding existing infrastructure or upgrading legacy systems, the GLC-SX-MMD enables quick, simple deployment.
Secure LC Duplex Interface – Cisco GLC-SX-MMD 1000BASE-SX SFP Transceiver Module
The module uses a standard LC duplex connector, providing a reliable and secure fiber interface for consistent data transmission. The LC interface ensures precise alignment and minimal signal loss, essential for maintaining performance over multimode fiber cabling. This ensures a stable link across all supported distances, even in busy enterprise environments.
Digital Optical Monitoring Support – Cisco GLC-SX-MMD 1000BASE-SX SFP Transceiver Module
With DOM (Digital Optical Monitoring) capabilities, the GLC-SX-MMD provides real-time visibility into key operating parameters such as transmit/receive optical power, temperature, and voltage. This monitoring enables proactive network maintenance, faster troubleshooting, and enhanced uptime, which are all critical for high-availability infrastructures.
Broad Compatibility and Standards Compliance – Cisco GLC-SX-MMD 1000BASE-SX SFP Transceiver Module
The GLC-SX-MMD complies with the IEEE 802.3z Gigabit Ethernet standard, ensuring interoperability across compliant platforms. It is fully compatible with Cisco networking devices including switches, routers, and security appliances. Its interoperability with various SFP slots across Cisco product lines makes it a flexible solution for both new and existing network environments.
Optimized for Enterprise Environments – Cisco GLC-SX-MMD 1000BASE-SX SFP Transceiver Module
Designed for operation within standard commercial temperature ranges, the GLC-SX-MMD is well-suited for data centers, wiring closets, enterprise floors, and co-location facilities. Its low power consumption and small size make it ideal for scaling high-performance networks without increasing heat or power draw.
Why Choose the Cisco GLC-SX-MMD 1000BASE-SX SFP Transceiver Module
The Cisco GLC-SX-MMD is a reliable and efficient solution for delivering short-range Gigabit Ethernet over multimode fiber. With its combination of DOM support, plug-and-play installation, standards compliance, and Cisco-grade reliability, this transceiver offers an excellent balance of performance and simplicity. It’s the perfect choice for organizations that need dependable fiber connectivity in high-density, short-range network environments.
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