GLC-SX-MMD, Cisco SFP Transceiver, 1000BASE-SX/MMF/850nm

  • Brand: Cisco
  • Model: GLC-SX-MMD
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Rating:
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4.7/5.0
List Price: $609.97
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$67.00
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    Overview

    Cisco GLC-SX-MMD Overview

    The Cisco GLC-SX-MMD is an enterprise-grade SFP transceiver designed for flexible multimode fiber Gigabit access in campus and data center networks. Supporting 1 Gbps over 850 nm with LC duplex connectivity, it delivers reliable 1000BASE-SX links up to 550 m, ideal for distribution and aggregation layers across Asia, Europe, Africa, and North America. Hot-swappable design and Digital Optical Monitoring simplify lifecycle management for distributors, SMB integrators, and end users.

    Product Highlights

    1 Gbps
    Data Rate
    550 m
    Fiber Reach
    -5~85°C
    Temp Range

    Product Applications Scenarios

    Data Center
    The GLC-SX-MMD provides short-reach, 1 Gbps optical links between access switches and aggregation tiers, reducing cabling complexity and optimizing rack density by up to 30% in modern multimode data halls.
    Enterprise Network
    Ideal for campus backbone and building interconnects, this SFP enables stable Gigabit uplinks over existing MMF, cutting upgrade costs by up to 40% for enterprises and public institutions.
    Service Providers
    Service providers use the module for metro access and aggregation, ensuring predictable 1 Gbps transport with DOM-based monitoring that can lower on-site troubleshooting visits by around 25%.

    Product Features Comparison

      Cisco Cisco Cisco Cisco
    Model GLC-SX-MMD, Cisco SFP Transceiver, 1000BASE-SX/MMF/850nm GLC-SX-MM-RGD, Cisco SFP Transceiver, 1000Mbps, Multi-Mode, Rugged X2-10GB-SR, Cisco X2-10GB Series Optical Transceiver, 10Gbps, SR, LC Duplex DWDM-SFP-4214, Cisco DWDM SFP Transceiver, 1542.14nm/100GHz/Hot-pluggable
    Brand Cisco Cisco Cisco Cisco
    Data Rate 1 Gbps 1 Gbps 10 Gbps n/a
    Wavelength 850 nm 850 nm 850 nm 1542.14 nm
    Transmission Distance 550 m 1800 ft 984 ft n/a
    Connector Type LC Duplex 1 x Ethernet 1000Base-SX - LC/PC multi-mode x 2 1 x Ethernet 10GBase-LR - SC multi-mode x 2 n/a
    Compliance Standard RoHS IEEE 802.3z, IEEE 802.3ah IEEE 802.3ae 100 GHz ITU grid

    Optional Add-ons

    Model Number Description
    C3KX-NM-1G Cisco 1G network module with SFP slots for Catalyst switches, ideal for GLC-SX-MMD deployment.
    GLC-LH-SM Cisco 1G single-mode SFP transceiver, complements GLC-SX-MMD for mixed MMF/SMF designs.
    GLC-EX-SMD Cisco 1G EX SFP module with LC connector for extended 40 km links alongside GLC-SX-MMD.

    Quality Certifications

    • ISO 14001
    • ISO 9001
    • RoHS
    • REACH
    • CE
    • FCC
    Specification

    Cisco GLC-SX-MMD Specification

    Model
    GLC-SX-MMD
    Brand
    Cisco
    Type
    Module
    Connector Type
    LC Duplex
    Data Rate
    1 Gbps
    Wavelength
    850 nm
    Max Distance
    550 m
    Optical Fibre Type
    Multimode
    Extended Operating Temperature Range
    -5 to 85 °C (23 to 185 °F)
    Hot Swappable
    Yes
    Digital Optical Monitoring (DOM)
    Yes
    Compatible Platforms
    Cisco switches and routers
    Transmit Power
    -9.5 to -3 dBm
    Receive Power
    -17 to 0 dBm
    RoHS Compliance
    Yes
    MTBF
    5,000,000 hours
    Weight
    0.2 kg

    Get more information

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    Quality Certifications

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    Q&A

    Questions & Answers

    What accessories are available for the GLC-SX-MMD SFP module?

    Accessories include compatible multimode fiber cables, cleaning tools, and protective dust caps.

    How does the GLC-SX-MMD compare with similar Cisco SFP modules?

    Compared to other Cisco SFP modules, the GLC-SX-MMD is specifically designed for short-reach MMF applications, making it ideal for certain environments.

    How is the GLC-SX-MMD module maintained?

    Regularly inspect the GLC-SX-MMD for dust and dirt, ensure secure connections, and replace fiber cables as needed to maintain optimal performance.

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