Product Overview of the Cisco QSFP-40G-SR-BD Advanced Fiber Optic
In the fast-paced world of networking, high-speed data transmission is non-negotiable. Cisco, a leader in networking solutions, introduces the QSFP-40G-SR-BD, a powerhouse in the form of a 40Gigabytes Per Second (GBPS) Quad Small Form-Factor Pluggable Plus (QSFP+) transceiver module. Tailored for efficiency and speed, this module operates on cutting-edge multi-mode fiber technology, providing a robust solution for data centers and high-performance computing environments. In this comprehensive guide, we will delve into the intricacies of the Cisco QSFP-40G-SR-BD, exploring its features, benefits, and the crucial role it plays as a 40GBase-SR4 transceiver module with a Low Current (LC) connector, designed for multi-mode fiber with a 100m reach at 918nm duplex wavelength. In the realm of high-speed networking, the Cisco QSFP-40G-SR-BD emerges as a frontrunner, designed to meet the escalating demands of data-intensive applications. As a 40GBase-SR4 QSFP+ transceiver module, it leverages advanced multi-mode fiber technology to provide a reliable and swift data transmission solution. This guide aims to unravel the features, benefits, and technical specifications that define the Cisco QSFP-40G-SR-BD.
Key Features of Cisco QSFP-40G-SR-BD
The Cisco QSFP-40G-SR-BD is packed with features that set it apart as a high-performance transceiver module. Let's delve into the key attributes that define its capabilities:
40Gigabytes Per Second Speed:
Operating at a stunning speed of 40Gigabytes Per Second (GBPS), this module enables rapid data transfer, catering to the high-performance needs of contemporary networks.
The QSFP-40G-SR-BD adheres to the 40GBase-SR4 standard, which specifies the characteristics of a short-range optical link. This standard ensures compatibility with other networking equipment that follows the same specifications.
Multi-Mode Fiber Technology:
Leveraging multi-mode fiber technology, the module facilitates high-bandwidth data transmission over short to moderate distances. Multi-mode fiber is particularly well-suited for data center environments.
With a reach of 100 meters, the module supports connections over a significant distance. This makes it suitable for intra-rack or inter-rack connections within data centers, where short to medium distances are common
918nm Duplex Wavelength:
The module operates at a duplex wavelength of 918nm. This specific wavelength contributes to the efficiency of data transmission and ensures compatibility with other components in the optical link.
Low Current (LC) Connector:
Equipped with a Low Current (LC) connector, the module ensures a secure and efficient connection. LC connectors are known for their low insertion loss and compact design, contributing to the overall performance of the optical link.
Benefits of Cisco QSFP-40G-SR-BD in Networking
Understanding the key features lays the foundation for exploring the tangible benefits that the Cisco QSFP-40G-SR-BD brings to networking scenarios:
High-Speed Data Transfer:
The primary benefit of the QSFP-40G-SR-BD is its ability to facilitate high-speed data transfer at 40GBPS. This is particularly crucial in data center environments, where large volumes of data need to be transmitted swiftly.
Short to Moderate Reach:
The module's 100m reach makes it ideal for connections within data centers, where devices and equipment are often in close proximity. This short to moderate reach ensures efficient and reliable data transmission over short distances.
Efficient Multi-Mode Fiber Technology:
Leveraging multi-mode fiber technology, the module provides efficient data transmission over the short to moderate distances commonly found in data center environments. This technology enhances the bandwidth capabilities of the optical link.
Duplex Wavelength for Compatibility:
The use of a duplex wavelength at 918nm ensures compatibility with other components in the optical link. This wavelength is standardized, contributing to a seamless integration with other networking equipment.
Compact and Efficient LC Connector:
The inclusion of an LC connector enhances the overall efficiency of the optical link. LC connectors are known for their compact design and low insertion loss, ensuring a reliable and secure connection.
Use Cases for Cisco QSFP-40G-SR-BD
To gain a practical understanding of the Cisco QSFP-40G-SR-BD's applications, let's explore specific use cases where this transceiver module proves invaluable:
Data Center Connectivity:
In the heart of data centers, where the need for high-speed connectivity is paramount, the QSFP-40G-SR-BD plays a pivotal role. It facilitates efficient communication between servers, switches, and other networking equipment within the data center environment.
High-Performance Computing Environments:
Environments that demand intense computational power, such as those in high-performance computing clusters, benefit from the module's high-speed data transmission capabilities. It supports the rapid exchange of data between nodes in these computing environments.
Intra-Rack and Inter-Rack Connections:
With its 100m reach, the module is well-suited for intra-rack and inter-rack connections. This makes it an ideal solution for establishing high-speed links between devices and equipment within the confined spaces of data center racks.
The QSFP-40G-SR-BD can serve as a key component in network backbones, supporting the infrastructure's core connectivity. It ensures swift and efficient data transmission in critical network pathways.
Storage Area Networks (SANs):
In storage area networks where the rapid transfer of large volumes of data is commonplace, the module enhances connectivity between storage devices, servers, and switches. It contributes to the efficiency of SANs in handling data storage and retrieval.
Interference Mitigation Techniques
The QSFP-40G-SR-BD Cisco QSFP+ Multi-Mode Transceiver Module is a high-performance optical module designed for short-range data transmission in data centers and enterprise networks. Interference can be a common issue in high-density network environments, especially when multiple transceiver modules are installed in close proximity to each other. Here are some interference mitigation techniques that can be used with the QSFP-40G-SR-BD transceiver module:
- Dynamic Channel Equalization (DCE): This technique is used to compensate for optical losses and wavelength drifts caused by environmental factors such as temperature changes and aging. DCE can adjust the laser output power and receiver sensitivity to optimize the optical signal quality and minimize interference.
- Receiver Optical Subassembly (ROSA): ROSA is a receiver module that incorporates a high-sensitivity photodiode and a low-noise preamplifier to convert the optical signal into an electrical signal with minimal noise and distortion. ROSA can also compensate for signal degradation caused by reflections and other interference sources.
- Transmitter Optical Subassembly (TOSA): TOSA is a transmitter module that integrates a laser diode, a modulator, and a driver amplifier to generate a high-quality optical signal with minimal jitter and distortion. TOSA can also compensate for signal degradation caused by reflections and other interference sources.
- Enhanced Digital Diagnostics Monitoring (DDM): DDM is a feature that provides real-time monitoring of the transceiver module's performance parameters such as temperature, voltage, and optical power. DDM can detect abnormal conditions that may cause interference and alert the network administrator to take corrective action.
- Automatic Power Control (APC): APC is a feedback mechanism that adjusts the laser output power to maintain a constant optical power level at the receiver. APC can compensate for signal attenuation caused by fiber length and connector losses, and can also reduce interference caused by neighboring transceivers.
- Wavelength Division Multiplexing (WDM): WDM is a technique that allows multiple optical signals to be transmitted simultaneously over a single fiber by using different wavelengths. WDM can increase the network capacity and reduce interference by separating the signals into distinct channels.
System Integration of QSFP Transceiver
The QSFP-40G-SR-BD is a Cisco QSFP+ Multi-Mode Transceiver Module that is designed to support high-speed data transmission at a rate of 40Gbps. It uses the QSFP+ interface and is compatible with Ethernet and Infiniband applications.
System integration of the QSFP-40G-SR-BD involves connecting the transceiver module to other network components such as switches, routers, and servers. This can be achieved using fiber optic cables, which are typically designed to support multi-mode transmissions.
The QSFP-40G-SR-BD is a bidirectional transceiver module that supports transmission over a single fiber optic cable. It uses two wavelengths (850nm and 900nm) to transmit and receive data, and it supports distances of up to 150 meters over OM4 multimode fiber.
To integrate the QSFP-40G-SR-BD into a network system, it is important to ensure that the transceiver module is compatible with other network components. This includes checking for compatibility with the switch or router, as well as ensuring that the fiber optic cable and connectors are appropriate for the module.
Once the QSFP-40G-SR-BD is connected to the network, it can be configured using the appropriate software or firmware. This may involve setting the appropriate transmission speed, configuring VLANs or other network settings, and ensuring that the transceiver is operating correctly.
Main Specification about this Cisco QSFP-40G-SR-BD
- Manufacturer: Cisco
- Model Number or SKU# QSFP-40G-SR-BD
- Product Line Legrand
- Product Type: QSFP+ Transceiver Module
Technical Information of Transceiver Module
- Transceiver Type: BX
- Reach: 150m
- Connector: Duplex LC
- Module Type: QSFP+
- Wavelength: 832nm to 918nm
- Media: MMF
- Application/Usage Optical Network
- Application/Usage Data Networking
Performance for QSFP+ Multi-Mode Transceiver
- Data Link Protocol: 40 Gigabit LAN
- Data Transfer Rate: 40 GBPS
- Optical Wave Length: 850 nm
- Max Transfer Distance: 492 Feet
- Transmitter Power:4~5dBm
- Receiver Sensitivity: 6dBm
- Power budget: 6dB
- Power Consumption: 3.5 Watt
- Extinction Ratio: 3.5dB
- Min Operating Temperature: 50 °F
- Max Operating Temperature: 158 °F
- Humidity Range Operating: 5 - 95%
- Cisco Nexus 9000 Series Switches are compatible with MSA (Multi-Source Agreement) standards.
- They are also compliant with green standards.
- The switches have received RoHS-6 certification as proof of their compliance with environmental regulations.
In summary, the Cisco QSFP-40G-SR-BD stands as a testament to Cisco's commitment to providing high-performance solutions for modern networking challenges. With its 40Gigabytes Per Second speed, adherence to the 40GBase-SR4 standard, multi-mode fiber technology, and 100m reach, it addresses the core needs of high-speed data transmission in data centers and high-performance computing environments.
Whether deployed in data center connectivity, high-performance computing clusters, intra-rack or inter-rack connections, network backbones, or storage area networks, the QSFP-40G-SR-BD plays a pivotal role in fostering efficient and rapid data exchange. Its compatibility, compact design, and support for multi-mode fiber technology contribute to its versatility, making it a valuable asset for networking professionals.
As the demand for high-speed connectivity continues to grow, the Cisco QSFP-40G-SR-BD remains at the forefront, embodying Cisco's dedication to providing solutions that empower businesses and organizations to thrive in the digital era. Its role in enabling swift and reliable data transmission over short to moderate distances cements its status as a cornerstone in the architecture of modern networking.
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