GLC-FE-100FX 100M SFP Multimode Transceiver

Brand: Cisco | Category: Transceivers & Cables

SKU: GLC-FE-100FX | Part #: GLC-FE-100FX | MPN: GLC-FE-100FX

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The Cisco GLC-FE-100FX is a 100 Mbps SFP multimode transceiver designed for networks that still rely on legacy Fast Ethernet infrastructure across campus environments, remote office links, and distributed data centre interconnects. Operating at 1310 nm wavelength over multimode fiber, this module delivers reliable performance across both 62.5/125 µm and 50/125 µm fiber grades—a backward-compatibility feature that matters when you're refreshing aging cabling plants without wholesale replacement. The GLC-FE-100FX consumes approximately 750 mW during operation, a negligible power draw by modern standards, which means that even in older switching platforms with limited thermal headroom, this transceiver won't strain the chassis. Network engineers managing brownfield deployments across multiple GCC and Asian locations frequently specify this module because it bridges the gap between installed infrastructure and platforms that demand SFP-based optics.

This Cisco transceiver achieves a maximum reach of 2 kilometers over multimode fiber, sufficient for building-to-building connectivity and most campus backbone runs. The LC duplex connector is the industry standard for SFP modules, ensuring compatibility with the vast installed base of Cisco Catalyst switches, ASR routers, and third-party platforms certified for Cisco SFP slots. Full duplex operation means simultaneous transmission and reception, standard for Ethernet but essential to confirm when integrating legacy modules into modern switching fabrics. The GLC-FE-100FX is fully hot-swappable—you can pull and insert it without powering down the host platform, a feature that reduces maintenance windows and operational risk in always-on production environments. Since this module does not include digital optical monitoring, you won't see real-time power, temperature, or signal-quality metrics through the switch's management interface; operators relying on DOM for proactive fault detection should factor this into their monitoring strategy and consider supplementary optical power meters for SFP-port diagnostics.

Enterprise network architects and data centre operations teams purchase this module when they need to extend aging Fast Ethernet infrastructure into modern platforms or when they're consolidating multiple older switches onto newer gear that only offers SFP connectivity. A typical scenario involves a GCC-based enterprise with branch offices still running 100Base-FX links—rather than replacing miles of installed multimode fiber, they install the GLC-FE-100FX into a new Cisco access switch at the branch head-end, preserving the fiber runs and deferring the cost and complexity of a full fiber migration. Storage architects occasionally encounter this module in SANs or fibre-channel-over-Ethernet networks that predate 10 Gigabit adoption, where the GLC-FE-100FX serves as an economical uplink or cross-connect interface. In high-density deployments with hundreds of SFP ports, even 750 mW per port adds meaningful heat load; choosing modules wisely helps prevent thermal throttling and extends the life of aging switch fabric.

Cisco manufactured the GLC-FE-100FX to IEEE 802.3 100BASE-FX standards and holds FCC Class A and CE regulatory certifications, confirming compliance for deployment across North America, Europe, and the Middle East. The module meets RoHS directives, an increasingly important requirement for procurement across GCC enterprises under government and corporate sustainability mandates. Operating temperature range spans 0°C to 70°C commercial grade, appropriate for climate-controlled data centres but not for outdoor or unshielded cabinet environments. This straightforward thermal envelope—no exotic cooling or altitude deration—makes the GLC-FE-100FX easy to inventory and swap across distributed sites without environmental qualification or vendor approval cycles. The part number GLC-FE-100FX appears on packing lists, contract line items, and warranty documents, so you'll become familiar with this identifier quickly if you manage Cisco optics across a large estate.

Omnixon Global stocks the Cisco GLC-FE-100FX in Dubai and supplies enterprise and data centre customers across the GCC, Asia, and Europe who need immediate access to certified Cisco transceivers without extended lead times or regional fulfillment delays. Our technical team understands the nuances of multimode fibre compatibility, SFP platform certification, and the role this module plays in legacy-to-modern transitions. Whether you're building an RFQ for a branch office refresh, a data centre equipment refresh, or a bulk optics procurement, we're here to provide the GLC-FE-100FX with full documentation, certification verification, and logistics support. Contact Omnixon Global today to discuss your transceiver requirements and receive a tailored quote.

100BASE-FX Interface & Deployment Specifications

• Form factor: SFP (Small Form-factor Pluggable); fits all standard SFP slots on Cisco platforms and certified third-party hosts
• Data rate: 100 Mbps full duplex over IEEE 802.3 100BASE-FX standard; maximum reach 2 km on multimode fiber
• Fiber compatibility: 62.5/125 µm and 50/125 µm multimode fiber grades; connector type LC duplex
• Wavelength: 1310 nm infrared; no DOM (digital optical monitoring) support—plan external power meter verification for long-term SFP diagnostics
• Power consumption: approximately 750 mW operating; minimal thermal impact even in high-density SFP-port environments
• Hot-swappable design with commercial operating range 0°C to 70°C; FCC Class A and CE certified; full RoHS compliance
• Cisco OEM module: guaranteed compatibility with Cisco Catalyst, ASR, and other SFP-capable platforms; use part number GLC-FE-100FX for ordering and sparing