1 Mbps (1 Gbps) | Single Mode Fiber | LC | 4 km (24.8 mi) | Lifetime Warranty The GLCEXSMDST is a Cisco GLC-EX-SMD compatible fiber transceiver module that has been designed, programmed and tested to work with Cisco® brand switches and routers. It delivers dependable 1 GbE connectivity over fiber cable, for 1BASE-EX compliant networks, with a maximum distance of up to 4 km (24.8 mi). Technical Specifications: • Wavelength: 131 nm • Maximum Data Transfer Rate: 1.25 Gbps • Type: Single Mode Fiber • Connection Type: LC Connector • Maximum Transfer Distance: 4 km (24.8 mi) • MTBF: 3,13,496 hours • Power Consumption: Less than 1 Watt • Digital Diagnostics Monitoring (DDM): Yes This SFP fiber module is hot-swappable, making upgrades and replacements seamless by minimizing network disruptions. StarTech.com SFPs All StarTech.com SFP & SFP+ transceiver modules are backed by a lifetime warranty and free lifetime multilingual technical support. StarTech.com offers a wide variety of SFP modules and direct-attach SFP cables, providing the convenience and reliability you need to ensure dependable network performance. The StarTech.com Advantage * 1% CISCO GLC-EX-SMD COMPATIBLE: Works with Cisco switches like Firepower, ASR92, IE2, IE4, ASR1 and others * TECHNICAL SPECS: 1BASE-EX / 1 Gbps / Single Mode (SMF) / LC Connector / 131nm / Digital Diagnostic Monitoring (DDM) / Distances up to 4km (24.8mi) * TESTED FOR OEM HOST COMPATIBILITY: Hot-swappable in Cisco routers and switches * DDM support reports the transceivers status to most SNMP network management tools * WORKS WITH MSA COMPLIANT SWITCHES: Also works with switch models from Ubiquiti, D-Link, Netgear, Supermicro, TP-Link and more that accept uncoded modules * THE IT PRO’S CHOICE: Designed and built for IT Professionals, this SFP module is backed for life (lifetime of module, not network switch), including free lifetime 24/5 multi-lingual technical assistance.