Cisco GLC-LH-SMD Gigabit SFP Transceiver Module (MMF/SMF)

The Cisco GLC-LH-SMD Gigabit SFP Transceiver Module is a versatile 1000BASE-LX/LH optical module designed for both single-mode fiber (SMF) and multimode fiber (MMF) applications. Operating at 1310 nm wavelength and supporting Digital Optical Monitoring (DOM), it delivers reliable Gigabit Ethernet connectivity for enterprise campus networks, metropolitan area networks, and data center interconnections.

Product Features

Dual Fiber Support (SMF and MMF)

Operates over single-mode fiber up to 10 km and multimode fiber up to 550 meters, providing flexible deployment options.

1310 nm Wavelength Operation

Optimized for long-distance transmission with minimal signal attenuation.

Digital Optical Monitoring (DOM) Support

Enables real-time monitoring of parameters such as optical output power, input power, temperature, and voltage.

Hot-Pluggable SFP Form Factor

Allows easy installation and replacement without interrupting network operations.

Enterprise-Grade Reliability

Built to meet Cisco performance and compatibility standards for mission-critical networking.

Product Specifications

• Form factor: SFP
• Data rate: 1 Gbps
• Wavelength: 1310 nm
• Fiber type: SMF and MMF
• Maximum distance:
  • Up to 10 km on SMF
  • Up to 550 m on MMF (with mode conditioning patch cable)
• Connector type: Duplex LC
• Standard: IEEE 802.3z 1000BASE-LX/LH
• DOM support: Yes
• Operating temperature: 0°C to 70°C
• Hot-swappable: Yes