Cisco QSFP-40GE-LR4 Networking Transceiver 40 Gigabit
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Cisco QSFP-40GE-LR4 40GBase Single Mode Qsfp+Transceiver Refurbished

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Part Number#: QSFP-40GE-LR4
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Short Description:
QSFP-40GE-LR4 40Gbps 40GBase-LR4 Single-mode Fiber 10km 1310nm Duplex LC Connector Quad Small Form-Factor Pluggable (QSFP) Transceiver Module | Made by Cisco | Refurbished
Product Condition:
Warranty provided by ALLHDD.COM:
90 Days
Overview of the Transceiver

The Cisco QSFP-40GE-LR4 is a high-performance transceiver module that operates at a data rate of 40 gigabits per second (Gbps). It adheres to the 40GBase-LR4 standard, which signifies its compatibility with long-range, single-mode fiber optic networks. The "LR4" in its nomenclature stands for "Long Range 4," indicating its capability to transmit data over distances of up to 10 kilometers.

Key Features of Cisco QSFP-40GE-LR440Gbps Data Rate
  • The QSFP-40GE-LR4 is engineered to deliver data at a staggering rate of 40Gbps, ensuring swift and efficient communication within networks.
Single-Mode Fiber Compatibility
  • Designed specifically for single-mode fiber, this transceiver excels in providing reliable connectivity over longer distances, making it suitable for various networking scenarios.
1310nm Wavelength
  • The transceiver module operates at a wavelength of 1310nm, a key factor influencing its long-range capabilities. This wavelength is well-suited for single-mode fiber transmission.
Duplex LC Connector
  • The inclusion of a duplex LC (Lucent Connector) facilitates the connection of the transceiver to the fiber optic cables, ensuring a secure and stable link.
QSFP+ Form Factor
  • The module conforms to the QSFP+ (Quad Small Form-factor Pluggable Plus) form factor, a widely adopted standard in the industry. This compact design allows for high port density on networking devices.
Unveiling the Technical SpecificationsData Rate and Protocol
  • The QSFP-40GE-LR4 operates at a data rate of 40Gbps, making it well-suited for bandwidth-intensive applications. It adheres to the 40GBase-LR4 standard, ensuring compatibility with networks designed for long-range communication.
Wavelength and Optical Specifications
  • With a wavelength of 1310nm, the transceiver leverages the advantages of this specific range in the optical spectrum. This wavelength is optimized for transmission over single-mode fiber, striking a balance between signal integrity and reach.
Transmission Distance
  • One of the standout features of this Cisco transceiver is its ability to transmit data over distances of up to 10 kilometers. This makes it an ideal choice for applications where long-range connectivity is a prerequisite, such as in metropolitan area networks (MANs) and data center interconnects.
Connector Type
  • The duplex LC connector is a key component of the QSFP-40GE-LR4, enabling a reliable and efficient connection to the single-mode fiber optic cables. The duplex configuration ensures the integrity of both transmit and receive channels.
Form Factor
  • The QSFP+ form factor enhances the versatility of this transceiver module. Its compact design allows for high-density installations on networking equipment, a crucial consideration in environments where space is at a premium.
Across Industries

The Cisco QSFP-40GE-LR4 finds application across a spectrum of industries where high-speed, long-range connectivity is indispensable. Let's explore some of the key sectors that benefit from the capabilities of this transceiver module.

Data Centers
  • In the realm of data centers, where the volume of data being processed is colossal, the QSFP-40GE-LR4 plays a vital role in interconnecting switches, routers, and other networking equipment. Its 40Gbps data rate ensures that data can be swiftly transmitted between different components within the data center infrastructure.
  • Telecommunication networks demand reliable and high-speed connections for seamless communication. The QSFP-40GE-LR4, with its 10-kilometer reach over single-mode fiber, is instrumental in linking telecommunication nodes, ensuring efficient data transfer over considerable distances.
Metropolitan Area Networks (MANs)
  • Metropolitan area networks, covering larger geographical areas than local area networks (LANs), benefit from the long-range capabilities of the QSFP-40GE-LR4. It enables the creation of robust and high-capacity communication links between different points within a metropolitan area.
Enterprise Networking
  • Enterprises with extensive networking needs, especially those with distributed offices or large campuses, leverage the Cisco QSFP-40GE-LR4 for establishing high-speed connections. Its compatibility with single-mode fiber makes it suitable for long-distance communication between different segments of an enterprise network.

The installation of the Cisco QSFP-40GE-LR4 is designed to be straightforward, ensuring that networking professionals can integrate it seamlessly into their existing infrastructure. Additionally, its compatibility with a range of Cisco networking equipment enhances its versatility.

Plug-and-Play Design
  • The QSFP-40GE-LR4 follows a plug-and-play design, simplifying the installation process. Networking professionals can connect the transceiver to compatible devices, and the module is ready to transmit data at 40Gbps.
Compatibility with Cisco Devices
  • As a Cisco product, the QSFP-40GE-LR4 is optimized for use with Cisco networking equipment. This ensures a high level of interoperability and performance when integrated into a Cisco-centric network environment.
Firmware and Software Support
  • Regular firmware updates and comprehensive software support from Cisco contribute to the reliability and longevity of the QSFP-40GE-LR4. This commitment to ongoing support is crucial in an industry where technology evolves rapidly.
Future Prospects: Adapting to Evolving Networking Needs

In a landscape where technological advancements are constant, the Cisco QSFP-40GE-LR4 stands as a testament to the adaptability and innovation of networking solutions. As the demand for higher data speeds and extended reach continues to grow, transceiver modules like the QSFP-40GE-LR4 will play a pivotal role in shaping the future of data communication.

Evolution of Data Rates
  • The QSFP-40GE-LR4, with its 40Gbps data rate, aligns with the current industry standards. However, the networking landscape is dynamic, and future iterations may see an evolution in data rates to meet the escalating demands of data-intensive applications.
Advancements in Fiber Optics
  • As fiber optic technology advances, transceivers may benefit from innovations in materials and design, potentially leading to enhanced performance and efficiency. Cisco, as a leader in the networking industry, is likely to stay at the forefront of these developments.
Integration with Emerging Technologies
  • The integration of transceivers like the QSFP-40GE-LR4 with emerging technologies, such as 5G and the Internet of Things (IoT), presents exciting possibilities. These applications may require not only high-speed connectivity but also reliability over extended distances, making the long-range capabilities of the QSFP-40GE-LR4 highly relevant.
Advanced Technologies for Single-mode Transceiver

QSFP-40GE-LR4 is a Cisco 40 Gigabit Single Mode QSFP+ transceiver that supports the 40 Gigabit Ethernet standard. It is designed for use in data center and enterprise networks, and is capable of transmitting data over single mode fiber optic cables at distances up to 10 kilometers. This transceiver supports advanced technologies such as:

  • Digital optical monitoring (DOM) which allows real-time monitoring of transceiver parameters such as temperature, voltage, and laser bias current.
  • Forward error correction (FEC) which helps to reduce the bit error rate and improve the signal quality in the transmission.
  • Low power consumption, this transceiver consumes less power than other comparable transceivers.
  • High temperature range for operation and storage, it can operate in temperatures up to 85°C and can be stored in temperatures up to 95°C
  • Compliance with RoHS and MSA standards, ensuring compatibility and interoperability with other devices in the network.
  • Built-in diagnostic monitoring functions (DDM) which enables real-time monitoring of the transceiver's internal parameters, such as temperature, voltage, and laser bias current, and allows the network administrator to quickly detect and troubleshoot any issues.

These advanced technologies allow this product to provide high-performance, reliable, and efficient data transfer in demanding network environments.

Resiliency and High Availability
  • QSFP-40GE-LR4 is a Cisco 40 Gigabit Single Mode QSFP+ transceiver that supports the 40 Gigabit Ethernet standard. It is designed for use in data center and enterprise networks, and is capable of transmitting data over single mode fiber optic cables at distances up to 10 kilometers. The transceiver is equipped with the necessary components to support resiliency and high availability in network environments. This includes features such as hot-swappability, which allows the transceiver to be replaced without disrupting network operations, and link aggregation, which allows multiple connections to be combined for increased bandwidth and redundancy. Additionally, the transceiver is built with a robust design and is tested to strict industry standards to ensure reliable operation in demanding network environments.
Robust Security and Dynamic Quality
  • The QSFP-40GE-LR4 Cisco 40 Gigabit Single Mode QSFP+ Transceiver is a robust and secure device that ensures high-quality data transmission.
  • In terms of security, the transceiver uses advanced encryption algorithms to protect against data breaches and unauthorized access. Additionally, it implements various security protocols to prevent unauthorized access to the network, such as Access Control Lists (ACLs) and Virtual Private Network (VPN) technology.
  • Dynamic Quality of Service (QoS) is another feature of this product that ensures high-quality data transmission. This feature allows the transceiver to automatically adjust the data rate and other parameters to optimize network performance and prevent congestion. This ensures that critical data, such as voice and video, receive priority over non-critical data, such as email and file transfers.
  • Moreover, the transceiver also has built-in monitoring and diagnostic capabilities that enable network administrators to quickly identify and troubleshoot any issues that may arise, helping to ensure optimal network performance and uptime.
Detail Feaure of Cisco QSFP-40GE-LR4
  • Model Number (SKU#) QSFP-40GE-LR4
  • Product Name: 40GBASE-LR4 QSFP+ Module for SMF
  • Type: Networking
  • Product Type: QSFP+
  • Connectivity Media: G.652 µm Single-mode Optical Fiber for 40GBase-LR4
  • Data Transfer Rate: 40 Gbps (40 Gigabit Ethernet)
  • 1 x 40GBase-LR4
  • Details: 1 x LC Duplex 40GBase-LR4 Network
  • Compatibility: MSA Compliant
  • Green Compliant: Yes
  • Green Compliance Certificate/Authority: RoHS-6

In general, the Cisco QSFP-40GE-LR4 stands as a formidable solution for organizations seeking high-speed, long-range connectivity in their networks. From data centers to telecommunications networks and beyond, this transceiver module's versatile applications make it a valuable asset in the arsenal of networking professionals.

As technology continues to advance, and the demands on networking infrastructure increase, the QSFP-40GE-LR4 exemplifies Cisco's commitment to providing cutting-edge solutions. Its compatibility, reliability, and future-ready design position it as a key player in the ever-expanding realm of data communication. Whether navigating the complexities of enterprise networking or pushing the boundaries of metropolitan area networks, the Cisco QSFP-40GE-LR4 paves the way for a connected future.

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.

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