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The demand for increased bandwidth, capacity, and performance in fiber networks continues to grow rapidly. Consequently, fiber network service providers must migrate from 10G to 40G, making this transition an important and unavoidable option.
Optical transceivers enable fiber-to-the-premises (FTTP) services by installing optical fiber from the service provider directly to the customer. This approach allows for an extremely fast internet connection, leveraging the high data transfer rates that optical fiber network technology offers.
To use FTTP services, you must terminate the fiber optic cable into an end device. This could be a cable provider’s set-top box (STB) for home consumers or any switch, router, or other active devices in an optical fiber network.
As previously mentioned, you need to install an optical transceiver in the active last-mile device at the customer’s end. These transceivers utilize light to transmit and receive data.
Optical transceivers come in various shapes and sizes, and choosing the right one depends on the specific application, data rate, and required services. Common types include SFP, SFP+, XENPAK, QSFP, and CFP. The Multi-Source Agreement (MSA) strictly regulates the working properties of these optical transceivers, ensuring reliable performance across multiple suppliers.
Overview of Optical Transceivers
- SFP
The Small Form-Factor Pluggable (SFP) transceiver is a small, hot-pluggable device used in both telecommunications and data applications. - SFP+
The Enhanced Small Form-Factor Pluggable (SFP+) transceiver supports data rates over 10 gigabits per second and is increasingly common in 10 gigabit Ethernet applications. - XENPAK
XENPAK is a multi-source agreement defining a fiber-optic transceiver module that adheres to the 10 Gigabit Ethernet standard. It supports transmission distances from 100 meters to 80 kilometers. - CFP
The C Form-Factor Pluggable (CFP) is designed for higher bandwidth transmission of digital signals, primarily created for 100 Gigabit Ethernet. - QSFP
The Quad Small Form-Factor Pluggable (QSFP) transceiver supports data rates of up to 4×10 gigabits per second. This industry-standard device has been endorsed by various network component manufacturers, and the latest format definition allows for maximum data rates of 4×28 gigabits per second (QSFP28).
The QSFP-40G-SR-BD Transceiver
The QSFP-40G-SR-BD transceiver is a standard QSFP+, MSA-compliant optical transceiver designed for 40-Gbps Bidi applications. It features a duplex LC interface and operates at wavelengths ranging from 832 to 918 nm.
This transceiver enables transmission distances of 100 meters and 150 meters over laser-optimized OM3 and OM4 multimode fiber (MMF), respectively. It is ideal for data exchange over short distances.
Operating Principle
Bidirectional Optical Sub-Assembly (BOSA) technology allows the QSFP-40G-SR-BD to transmit and receive optical signals simultaneously. It can carry 40Gbps data over standard 10G MMF cabling by providing two distinct wavelengths on each fiber.
The QSFP-40G-SR-BD transceiver uses four 10Gbps signal channels transformed into two bidirectional 20Gbps channels, employing two separate wavelengths (usually 850nm and 900nm) for transmission.
Features
- Low-cost 40GBASE-SR BiDi LC Duplex Module
- Compliance with IEEE 802.3ba-2010’s 40GbE XLPPI electrical standard
- QSFP+ SFF-8436 Specification Compliant
- Total bandwidth of 40 Gigabits per second
- Operating temperature range: 0 to 70 degrees Celsius
- Lead-free and RoHS compliant
Benefits of the QSFP-40G-SR-BD Transceiver
- Easier Upgrade to 40G
You can save your existing 10G fiber infrastructure when upgrading to higher-speed 40G cable connections with the QSFP-40G-SR-BD transceiver. - Cost Savings
Building a 40G data center fabric the traditional way might require more fibers. The QSFP-40G-SR-BD transceiver needs only two fibers to meet 40GBASE-SR4 performance requirements. - Time Savings
Achieve faster network performance with the QSFP-40G-SR-BD 40G transceiver, allowing for quick access to your required network resources.
Conclusion
The QSFP-40G-SR-BD 40G Transceiver offers an excellent solution for upgrading from 10G to 40G Ethernet. You can avoid costly fiber infrastructure updates while achieving high performance.
For further information, consult a reputable supplier.
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Author: TechBlonHub
As a passionate blogger, I'm thrilled to share my expertise, insights, and enthusiasm with you. I believe that technical knowledge should be shared, not hoarded. That's why I take the time to craft detailed, well-researched content that's easy to follow, even for non-tech. I love hearing from you, answering your questions, and learning from your experiences. Your feedback helps me create content that's tailored to your needs and interests
