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    StarTech.com Cisco GLC-LH-SMD Compatible SFP Module - 1000BASE-LX/LH - 1GE Gigabit Ethernet 1GbE Single Mode Fiber SMF Optic Transceiver

    • 1 Pack
    • 10 Pack
    • 100% CISCO GLC-LH-SMD COMPATIBLE: Works with Cisco switches like Firepower, ASR920, IE2000, IE4000, ASR1000 and others
    • TECHNICAL SPECS: 1000BASE-LX/LH | 1 Gbps | Single Mode (SMF)/Multi Mode (MMF) | LC Connector | 1310nm | Digital Diagnostic Monitoring (DDM) | Distances up to 10km (6.2mi)
    • TESTED FOR OEM HOST COMPATIBILITY: Hot-swappable in Cisco routers and switches; DDM support reports the transceiver's status to most SNMP network management tools
    • OUTSTANDING SUPPORT: Backed by StarTech.com for the life of the module itself, not your equipment; our modules won't void your OEM support and with access to our Tech Advisors 5/24
    • WORKS WITH MSA COMPLIANT SWITCHES: Also works with switch models from Ubiquiti, D-Link, Netgear, Supermicro, TP-Link and more that accept uncoded modules
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    Overview
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    100% Cisco GLC-LH-SMD compatible guaranteed - Lifetime Warranty on all SFP modul

    Warranty & Returns

    Warranty, Returns, And Additional Information

    Warranty

    • Limited Warranty period (parts): 1 year
    • Limited Warranty period (labor): 1 year
    • Read full details

    Return Policies

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    The StarTech.com GLCLHSMDST is a Cisco GLC-LH-SMD-compatible 1000BASE-LX/LH SFP transceiver for network administrators adding Gigabit Ethernet fiber links to compatible switches and routers, with an LC duplex connector, DDM, and reach up to 10 km over single-mode fiber.

    Recommended For

    • Network administrators replacing a failed or adding an optic to a Cisco router or switch that supports GLC-LH-SMD-compatible 1Gb SFPs and uses duplex LC fiber.
    • IT teams connecting network closets or buildings over an existing single-mode fiber run, when a 1Gb link and a reach of up to 10 km fit the deployment.
    • Administrators using a non-Cisco switch with an SFP port that accepts uncoded, MSA-compliant modules and needs a compatible 1000BASE-LX/LH optic.
    • IT staff replacing or installing a module in a managed network where hot-swapping and digital diagnostics monitoring (DDM) are useful for maintenance and monitoring.

    Real-World Use Scenarios

    • When a network team needs to link switches in separate buildings or across a campus, it can install matching SFPs at both ends of a duplex single-mode fiber run; the result is a 1GbE uplink over distances of up to 10 km, subject to the fiber path and equipment compatibility.
    • When extending a network to a remote closet or segment that already has suitable fiber, a pair of these modules can provide a 1GbE fiber link between supported switches or routers without using a copper Ethernet run.
    • When a compatible Cisco switch or router has a failed or damaged optic, this hot-swappable module can serve as a replacement; the user can restore the fiber connection without replacing the network device.
    • When an IT team is diagnosing an intermittent or down fiber link, DDM readings can provide transceiver status information to supported network-management tools, helping narrow troubleshooting to the optic or fiber path.
    • When a switch with an SFP port needs a fiber connection but is not a Cisco model, this module may work in MSA-compliant switches that accept uncoded optics; the user should check the host device’s compatibility requirements before deployment.

    Spec Summary

    AttributeValue
    Best ForConnecting network switches and routers over single-mode or multimode fiber for 1000BASE-LX/LH Gigabit Ethernet links
    Optical Standard And PerformanceIEEE 802.3z 1000BASE-LX/LH with a 1310 nm wavelength and a 1.25 Gbps transfer rate; supports distances up to 10 km on single-mode fiber and 550 m on multimode fiber
    Fiber Interface And MonitoringLC duplex female connector with Digital Diagnostics Monitoring (DDM) support
    Network ProtocolTCP/IP
    Operating EnvironmentOperating temperature: 0°C to 70°C (32°F to 158°F); storage temperature: −40°C to 85°C (−40°F to 185°F); humidity: 5–95% RH
    WarrantyLifetime warranty
    Model IdentifiersStarTech.com model GLCLHSMDST