Cisco GLC-SX-MMD 1000BASE-SX SFP Transceiver Module

The Cisco GLC-SX-MMD is a hot-swappable Gigabit Ethernet SFP transceiver designed for high-speed optical networking over multimode fiber (MMF). Compliant with the 1000BASE-SX standard, it operates at an 850 nm wavelength and supports reliable Gigabit Ethernet connectivity for enterprise networks, campus environments, and data centers. The module features Digital Optical Monitoring (DOM), allowing real-time monitoring of transceiver performance, and is compatible with a wide range of Cisco switches and routers equipped with SFP ports.

Product Features

Gigabit Ethernet Performance

Supports Gigabit Ethernet data transmission at speeds of up to 1.25 Gbps for reliable and high-performance network connectivity.

Multimode Fiber Support

Designed for use with multimode fiber (MMF), providing cost-effective optical networking for short-distance applications.

850 nm Optical Wavelength

Operates at an 850 nm wavelength to deliver stable and efficient optical signal transmission.

Digital Optical Monitoring (DOM)

Supports Digital Optical Monitoring, enabling real-time monitoring of operating parameters such as temperature, transmit power, receive power, supply voltage, and laser bias current.

Hot-Pluggable SFP Design

The hot-swappable SFP form factor allows installation or replacement without shutting down the connected networking equipment.

Duplex LC Connector

Features a Duplex LC connector for secure, reliable, and low-loss fiber optic connections.

Extended Operating Temperature

Designed to operate reliably across an extended temperature range, making it suitable for demanding networking environments.

Broad Cisco Compatibility

Compatible with a wide range of Cisco switches, routers, and networking devices that support Gigabit SFP transceivers.

Product Specifications

• Model: GLC-SX-MMD
• Product Type: SFP Optical Transceiver Module
• Ethernet Standard: 1000BASE-SX
• Data Rate: 1.25 Gbps
• Form Factor: SFP
• Fiber Type: Multimode Fiber (MMF)
• Connector Type: Duplex LC
• Optical Wavelength: 850 nm
• Maximum Transmission Distance:
  • Up to 220 m on 62.5/125 µm MMF
  • Up to 550 m on 50/125 µm MMF
  • Up to 1 km on OM3/OM4 laser-optimized MMF
• Digital Optical Monitoring (DOM): Supported
• Hot-Swappable: Yes
• Compliance Standards: IEEE 802.3z 1000BASE-SX, SFP MSA
• Operating Temperature: -5°C to 85°C
• Power Consumption: Less than 1 W
• Applications: Enterprise networks, campus networks, data centers, Gigabit Ethernet switch uplinks, router interfaces, and storage area networks (SANs).