40G QSFP+
Company Profile
Founded in 2015 with a registered capital of 15 million yuan and employing over 80 individuals, D-NET is a high-tech enterprise specializing in optical fiber communication within Guangdong Province. Its products primarily serve optical signal transmission, encompassing mobile telecommunications and other operators, banking and financial enterprises, universities, research institutions, as well as DCI computer room interconnectivity and network data security domains. The company's growth is attributed to its exceptional staff, advanced technology, superior equipment, and stringent management, which form the foundation for its products to gain user reliance.
By enhancing its professional pre-sale, sale, and after-sales services, D-NET has garnered the trust and accolades of clients both domestically and internationally. While adhering to technological innovation, the company places significant emphasis on quality management, consistently elevating its service standards to ensure the healthy development of its business operations.
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Products
Definition of 40G QSFP+
The 40G QSFP+ (Quad Small Form-factor Pluggable Plus) is a high-performance fiber optic interface module designed to support data transfer rates of 40Gbps (gigabits per second). QSFP+ is a miniaturized, hot-swapable optical module interface standard that provides higher port density and transmission rates than traditional SFP+ interfaces.
40G QSFP+ optical modules typically contain four independent transmission channels, each with a rate of about 10Gbps, and the four channels work in parallel to achieve a total transmission rate of 40Gbps. This design enables the QSFP+ interface to provide high-speed, high-density data transmission capabilities while maintaining a small size.
Features of 40G QSFP+
High density and low power consumption
The 40G QSFP+ optical module provides high density and low power 40G Ethernet connectivity options for data centers, enterprise networks, and telecom operators, meeting the dual needs of modern networks for high performance and low power consumption.
multicenter transmission
The optical module has four independent transmit and receive optical signal channels, the transmission rate of each channel is about 10Gbps, and the transmission rate of 40Gbps can be achieved by four channels at the same time, thus greatly increasing the data capacity of transmission.
Wide range of application scenarios
The 40G QSFP+ optical module is suitable for a variety of network environments such as data centers, high-performance computing networks, enterprise core and distribution layers, and telecom operators, providing reliable support for a variety of high-speed data transmission applications
Digital diagnostic function
Many 40G QSFP+ optical modules also support the digital diagnostic function (DDM), which can monitor the working status of the optical module in real time, including the transmit optical power, receive optical power, operating temperature and other parameters, thereby improving the reliability and maintainability of the network.
Type Of 40G QSFP+
There are various types of 40G QSFP+ (Quad Small Form-factor Pluggable Plus) optical modules, each of which is suitable for different optical fiber types and transmission distances. Here is a brief introduction to the main types of 40G QSFP+ :
1. 40G BASE-SR4
The 40G BASE-SR4 optical module is one of the 40G QSFP+ series, which is mainly suitable for short-distance transmission of multi-mode fiber (MMF). The optical module supports link lengths of 100 meters and 150 meters, respectively, through OM3 and OM4/OM5 multimode fibers with MPO connectors. It typically has a transmission wavelength of 850nm and uses a four-channel design to provide stable, high-speed data transmission.
2. 40G BASE-LR4
The 40G BASE-LR4 optical module is another common 40G QSFP+ optical module, which is suitable for long distance transmission of single mode fiber (SMF). The optical module supports a link length of up to 10 km via OS2 single-mode fiber with duplex LC connectors. Its transmission wavelength is usually 1310nm, and it also adopts a four-channel design, which can meet the needs of long-distance and high-speed data transmission.
3. 40G BASE-ER4
The 40G BASE-ER4 optical module is the high-end product of the 40G QSFP+ series, which is also suitable for ultra-long distance transmission of single-mode fiber. The optical module supports a link length of up to 40 km via OS2 single-mode fiber with duplex LC connectors. Its transmission wavelength may vary from product to product, but is usually between 1270nm and 1330nm. The 40G BASE-ER4 optical module uses advanced modulation and coding technology to maintain signal stability and integrity over long distances.
4. 40G BASE-SR-BiDi
The 40G BASE-SR-BiDi optical module is a bidirectional 40G QSFP+ optical module, which is also suitable for short-distance transmission of multi-mode optical fibers. The optical module uses a duplex LC connector
Application Of 40G QSFP+
Data center: With the expansion of the scale of data centers and the improvement of data transmission requirements, 40G QSFP+ optical modules become the ideal transmission module within and between data centers. It can be used for server interconnection within the data center, interconnection between data centers and connection with external networks to achieve high-speed and stable data transmission.
Man/LAN: In the MAN and LAN, 40G QSFP+ optical module can be used to increase the network transmission rate and expand the network capacity. It can meet the network requirements of high bandwidth and low latency, and improve the overall performance of the network.
5G communication: 5G communication technology has high requirements for network transmission rate and stability, and 40G QSFP+ optical module can help achieve high-speed transmission of 5G communication network. In the connection between 5G base stations and the core network, the 40G QSFP+ optical module can provide a reliable data transmission channel to ensure the stable operation of the 5G communication network.
Fibre Channel: In Fibre Channel applications, 40G QSFP+ optical modules enable high-speed data transmission and improve the efficiency of storage area networks. It can meet the requirements of the storage system for high bandwidth and low latency, and improve the overall performance of the storage system.
High performance Computing: The field of high performance computing requires a large amount of computing and data processing power, and therefore requires high rates of data transmission. The 40G QSFP+ optical module can be used to interconnect nodes in a HPC cluster to achieve fast and reliable data exchange and improve the overall performance of HPC.
Benefits of 40G QSFP+
High data transfer rate
The total transmission rate of 40G QSFP+ optical module can reach 40Gbps (some products, such as the 40G QSFP+ optical module of Huishit, the total transmission rate can reach 41.25Gb/s), which can meet the needs of modern communication networks for high bandwidth.
High density and low power consumption
The optical module provides high-speed data transmission while maintaining a small size and low power consumption, which is conducive to saving equipment space and reducing energy consumption.
Multiple transmission distance and mode options
40G QSFP+ optical modules support a variety of transmission distances and modes, such as 40GBASE-LR4 supports a link length of 10 km, 40GBASE-ER4 supports a link length of up to 40 km, and SR4 is often used in multi-mode fiber, transmission distances up to hundreds of meters.
Simplified network architecture
The 40G QSFP+ optical module provides integrated functions in service connections, simplifying the network architecture, saving equipment room area, and reducing device stacking.
Enhanced network function
With the improvement of data transmission capability, the functions of the core network will also be greatly enhanced, thus achieving the overall upgrading of the network.
Economy and cost effectiveness
In the same bandwidth transmission, the cost of 40G QSFP+ optical module is more economical, which effectively saves the cost of network construction.
Wide application compatibility
The 40G QSFP+ optical module complies with international standards such as QSFP+MSA SFF-8436 and IEEE 802.3ba, ensuring its compatibility in a wide range of Ethernet devices.
Advanced packaging technology
QSFP+ (Quad Small Form-factorPluggable Plus) packaging technology enables the optical module to have a smaller size and higher integration, which is easy to use in compact device
FAQ
Q: What does QSFP+ stand for?
Q: What is the data rate of a 40G QSFP+ transceiver?
Q: How many lanes does a 40G QSFP+ support?
Q: What are the common applications of 40G QSFP+ transceivers?
Q: Is 40G QSFP+ backward compatible with earlier QSFP versions?
Q: What are the benefits of using 40G QSFP+ over other transceiver types?
Q: How do you install a 40G QSFP+ transceiver into a network switch?
Q: Can 40G QSFP+ transceivers be used in breakout mode?
Q: What are the key specifications to consider when selecting a 40G QSFP+ transceiver?
Q: How do you troubleshoot issues with a 40G QSFP+ transceiver?
Q: How do 40G QSFP+ transceivers differ from other transceiver types?
Q: Can a 40G QSFP+ transceiver be used in higher-speed applications?
Q: What are the typical power consumption levels of 40G QSFP+ transceivers?
Q: What are the environmental conditions under which 40G QSFP+ transceivers can operate?
Q: Can 40G QSFP+ transceivers be used in conjunction with other types of transceivers?
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QSFP-40G-SR4, QSFP-40G-IR4, QSFP-40G-ZR4