Cisco GLC-LH-SM Transceiver
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Cisco GLC-LH-SM 1GBPS Transceiver Module SFP GBIC Refurbished

Availability: In Stock
Part Number#: GLC-LH-SM
List Price was: $680.77
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Short Description:
GLC-LH-SM 1 Gigabits Per Second (GBPS) 1000Base-LX/LH Single Mode Fiber 10km 1310nm Duplex Low Current (LC) Connector Small Form-factor Pluggable (SFP) Transceiver Module | Made by Cisco | Refurbished
Product Condition:
Warranty provided by ALLHDD.COM:
90 Days
Product Overview of the Cisco 1GBPS Transceiver Module

In the fast-paced world of networking, the Cisco GLC-LH-SM 1Gbps Transceiver Module has emerged as a crucial component for seamless data transmission. This Small Form-Factor plugable (SFP) Gigabit Interface Converter (GBIC) offers high-speed connectivity, making it a popular choice for businesses and organizations worldwide. In this detailed guide, we'll delve into the intricacies of the Cisco GLC-LH-SM 1GBPS Transceiver, exploring its features, applications, installation process, and key considerations.


The Cisco GLC-LH-SM is a gigabit transceiver module designed to provide reliable and high-performance connectivity in network environments. As an SFP GBIC, it follows the industry-standard small form-factor pluggable design, allowing for hot swapping and flexibility in various networking devices.

Key Features and SpecificationsData Transfer Speed

The GLC-LH-SM operates at a blazing-fast data transfer speed of 1 gigabit per second (1Gbps). This makes it suitable for high-bandwidth applications, ensuring swift and efficient data communication.

Long-Haul Connectivity

The "LH" in GLC-LH-SM signifies its capability for Long Haul transmission. This module is optimized for long-distance data transmission, making it ideal for connecting network segments separated by considerable distances.

Single-Mode Fiber Compatibility

This transceiver module is designed for compatibility with single-mode fiber optics. Single-mode fibers allow for the transmission of light over longer distances with lower signal attenuation, enhancing the reach of the network.

Wavelength Range

The GLC-LH-SM operates within a specific wavelength range, ensuring compatibility with other networking components. This standardized wavelength range facilitates seamless integration into existing network infrastructures.

Duplex LC Connector

The module features a duplex LC connector, which is a standard connector for fiber optics. The duplex configuration supports bidirectional communication, allowing data to be sent and received simultaneously.

Applications of Cisco GLC-LH-SMEnterprise Networks

The GLC-LH-SM is commonly employed in enterprise networks where high-speed and reliable connectivity is crucial. It facilitates the seamless exchange of data between various departments and devices within an organization.

Data Centers

In data center environments, where large volumes of data are processed and transferred, the Cisco GLC-LH-SM ensures efficient and rapid communication between servers, switches, and storage devices.

Telecommunication Networks

Telecommunication service providers utilize the GLC-LH-SM for establishing long-distance connections between network nodes. Its long-haul capabilities make it suitable for telecommunications infrastructure.

Internet Service Providers (ISPs)

ISPs leverage the GLC-LH-SM to enhance their network infrastructure, providing customers with high-speed and reliable internet connectivity over extended distances.

Benefits of Cisco GLC-LH-SM 1Gbps Transceiver ModuleHigh-Speed Connectivity

The primary advantage of the Cisco GLC-LH-SM is its ability to provide high-speed connectivity at 1Gbps. This ensures fast data transfer and reduces latency, contributing to a more responsive and efficient network.

Long-Distance Transmission

The module's compatibility with single-mode fiber enables long-distance data transmission. This is particularly advantageous in scenarios where data needs to travel over extended distances without compromising speed or quality.


The Cisco GLC-LH-SM's versatility is evident in its compatibility with various networking environments, including data centers, telecommunication networks, and enterprise setups. Its flexibility makes it a reliable choice for diverse applications.

Enhanced Network Performance

By incorporating the Cisco GLC-LH-SM into a network infrastructure, organizations can experience improved overall network performance. Reduced data transfer times and increased reliability contribute to a more robust and responsive network.

Advantages of Cisco GLC-LH-SMHigh-Speed Data Transfer

The primary advantage of the GLC-LH-SM is its ability to transmit data at 1Gbps, providing high-speed connectivity for data-intensive applications.

Long-Distance Reach

The module's long-haul capabilities make it suitable for connecting network segments that are physically distant from each other, extending the reach of the network.

Reliability and Stability

Cisco is renowned for producing reliable networking equipment, and the GLC-LH-SM is no exception. Its design ensures stable and consistent performance, minimizing the risk of network disruptions.


As an SFP module, the GLC-LH-SM offers scalability, allowing for easy expansion or modification of the network without requiring significant infrastructure changes.

General Information about the Cisco GLC-LH-SM
  • Manufacturer: Cisco
  • Part Number or SKU# GLC-LH-SM
  • Product Type: Transceiver Module
Key Features of 1GBPS Transceiver
  • Form Factor: Hot-swappable
  • Type: 1000Base LX/LH SFP (mini-GBIC)
  • Application/Usage: Data Networking
  • Interfaces/Ports: 1 x LC Duplex 1000Base-LX/LH LAN
Performance for SFP Transceiver Module
  • Media Type Supported: Optical Fiber
  • Fiber Optic Cable Standards: 62.5 µm, 50 µm, 9/10 µm
  • Fiber Mode Supported: Multi-mode
  • Ethernet Technology: Gigabit Ethernet
  • Network Technology: 1000Base-LX/LH
  • Maximum Distance Supported: 1804 ft
  • Maximum Data Transfer Rate: 1 Gbit/s
Environmental Parameters of Single-Mode Transceiver
  • Humidity: 30~70% RH
  • Min Operating Temperature: 32 °F
  • Max Operating Temperature: 158 °F
Networking & Connectivity
  • Connectivity Technology: Wired
  • Cabling Type: 1000Base-LX, 1000Base-LH
  • Data Link Protocol: GigE
  • Data Transfer Rate: 1 GBPS
  • Optical Wave Length: 1310 nm
  • Max Transfer Distance: 6.2 miles
  • Compliant Standards: IEEE 802.3z
  • 100% compatibility with Cisco guaranteed
  • SFP modules are backed by a lifetime warranty
  • Meets or exceeds OEM specifications and Multi-Source Agreement (MSA) industry standards
  • Low power consumption of less than 1 W
  • Hot-swappable with fiber-optic modules

Compatibility Information

  • Compatible with various Cisco devices including:
  • Cisco 3825, 3845, 7301 routers
  • Cisco ASA 5545-X Firewall Edition
  • Cisco Catalyst 2960 and 3560 series switches
  • Cisco 3750 and 4500 Series Supervisor Engine
  • Cisco Catalyst Express 500 and ME 2400 series switches

In summary, the Cisco GLC-LH-SM 1Gbps Transceiver Module is a critical component in modern networking infrastructure, providing high-speed and reliable connectivity over long distances. Its application versatility, ease of installation, and compatibility with various devices make it a preferred choice for enterprises, data centers, and telecommunication networks. By understanding its features, applications, and best practices and maintenance, network administrators can harness the full potential of the GLC-LH-SM to build robust and efficient communication networks.

Product Condition:
Warranty provided by ALLHDD.COM:
90 Days

About Refurbished Products

Refurbished products are typically refurbished by an Original Manufacturer or an affiliate of the manufacturer or 3rd party facility. This product may have minor blemishes due to normal product usage and doesn't necessarily come with documentation and software unless indicated, but has been well tested and generally has never had any defects.

Here, you can check more available conditions of your desired product GLC-LH-SM at a competitive price. We are trying our best to meet your needs on the enterprise-level computer, server, data centre, and networking hardware. You are welcome to ask our live chat or get live representative support over the phone.


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What does ALLHDD.Com warranty cover?

30-days to 3 years warranty:

Replacement or refund. In the case of material defects, we will try to replace the product first. The product will be replaced before the expiration of the original warranty. For any failure of hardware, if we cannot process the replacement of the product(s)/model(s), we will refund the original selling/invoiced price. The shipping costs and sales tax, if any, are non-refundable. ALLHDD retains the right to decide whether the item(s) will process for replacement or refund.

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