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

Cisco GLC-LH-SMD is a 1000BASE-LX/LH SFP module designed for high-speed data transmission across both Multimode Fiber (MMF) and Single-Mode Fiber (SMF). This module provides flexible, high-performance networking connectivity, offering 10 km reach on single-mode fiber and up to 550 meters on multimode fiber, making it ideal for both short and long-distance connections in various networking environments.

The 1300-nm wavelength ensures reliable and high-quality data transmission, with compatibility to the IEEE 802.3z 1000BASE-LX standard for Gigabit Ethernet applications. The module supports Digital Optical Monitoring (DOM) for real-time monitoring of key parameters such as temperature and optical power, providing network administrators with critical diagnostics and improving network management.

This dual LC/PC connector SFP module is engineered for use in enterprise and service provider networks, allowing you to easily scale your network infrastructure for higher data transmission needs. The module is also hot-pluggable, allowing for seamless installation without powering down your equipment.

Key Features

Multimode & Single-Mode Fiber Compatibility

• Supports both multimode and single-mode fiber, offering flexibility for various network topologies.
• Up to 10 km reach on Single-Mode Fiber (SMF), and up to 550 meters on Multimode Fiber (MMF).
• For legacy multimode fiber, it requires a mode conditioning patch cable to optimize performance.

IEEE 802.3z 1000BASE-LX Standard

• Complies with IEEE 802.3z standard for Gigabit Ethernet (1 Gbps) over optical fiber links, ensuring reliable and high-performance data transmission.

1300-nm Wavelength

• 1300 nm wavelength ensures optimal data transmission quality and distance, making it suitable for high-demand networking environments.

Digital Optical Monitoring (DOM)

• Supports DOM, providing real-time diagnostics to monitor parameters such as temperature, optical power levels, and voltage, enabling easy network monitoring and troubleshooting.

Dual LC/PC Connector

• Dual LC/PC connectors ensure compatibility with standard fiber optic cables and provide reliable, high-speed connectivity for your network.

Hot-Pluggable

• Hot-pluggable design allows for easy installation and removal without powering down the equipment, providing flexible and hassle-free upgrades to your network infrastructure.

Specifications

• Model: Cisco GLC-LH-SMD
• Data Rate: 1 Gbps (Gigabit Ethernet)
• Wavelength: 1300 nm
• Maximum Reach:
  • 10 km over Single-Mode Fiber (SMF)
  • 550 meters over Multimode Fiber (MMF)
• Connector Type: Dual LC/PC
• Operating Temperature Range: Extended range for industrial use
• Digital Diagnostics (DOM): Yes (real-time monitoring)
• Compliance: IEEE 802.3z 1000BASE-LX
• Hot-Pluggable: Yes
• Required for Legacy Multimode Fiber: Mode conditioning patch cable

Common FAQs

What is the maximum distance supported by the Cisco GLC-LH-SMD?

• The Cisco GLC-LH-SMD supports up to 10 km on Single-Mode Fiber (SMF) and up to 550 meters on Multimode Fiber (MMF).

Is this module compatible with all types of fiber?

• Yes, the Cisco GLC-LH-SMD is compatible with both Multimode Fiber (MMF) and Single-Mode Fiber (SMF). For legacy multimode fiber, a mode conditioning patch cable is required.

What is the benefit of the Digital Optical Monitoring (DOM) feature?

• DOM allows network administrators to monitor real-time parameters, including temperature, optical power levels, and voltage, ensuring better network management and troubleshooting.

Can this module be installed without shutting down my equipment?

• Yes, the Cisco GLC-LH-SMD is hot-pluggable, meaning you can install or remove it from your networking device without needing to power down the system.

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