How to Choose the Right FS 100G QSFP28 Cables?
In today's fast-paced digital world, high-speed connectivity has become a critical requirement across multiple industries. Whether it's data centers, telecommunications or enterprise networks, the demand for faster and more reliable connections continues to grow. 100G cables are an essential component in modern network setups, enabling fast and efficient data transmission. This guide aims to provide readers with a comprehensive understanding of FS 100G QSFP28 cables, including their characteristics, types, and factors to consider when selecting the right cable.
Exploring the Basics of 100G Cables
100G cables are high-performance cables designed to support data transfer rates of up to 100 Gbps. They offer greater bandwidth capacity and lower latency than traditional copper or fiber optic cables. These rate cables can be divided into two categories: DAC Cables and AOC Cables.
DAC Cables: Direct Attach Copper cables are a popular choice for short distance connections within racks or between adjacent racks. These cables are made of copper conductors and offer the advantages of high reliability, low latency, and cost effectiveness. However, DAC cables have limitations when it comes to longer distances, as they are generally suitable for connections within a few meters.
AOC Cables: Active Optical Cables use optical fibers for data transmission. Instead of copper conductors, AOC cables contain optical fibers encased in a protective jacket. AOC cables offer longer transmission distances than DAC cables, making them suitable for long-distance connections such as data centers and inter-building links. They offer excellent signal integrity, low power consumption and immunity to electromagnetic interference. However, AOC cables are typically more expensive than DAC cables.
Introduction to FS 100G QSFP28 Cable
FS offers 100G QSFP28 cables in six kinds of form factors, namely QSFP28 to QSFP28, QSFP28 to 2x QSFP28, QSFP28 to 4x SFP28, QSFP28 to 4x Duplex LC, SFP112 to SFP112 and SFP-DD to SFP-DD, to meet modern network data transmission requirements. These cables have many features that make them ideal for a variety of applications.
Product Highlights of FS 100G QSFP28 Cable:
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Hot Pluggable QSFP28 MSA Compliant
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FS BOX - Support Real-time Configuration
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Class 1 FDA Laser Safety and RoHS Compliant
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Hot Pluggable SFP112 and SFP-DD MSA Compliant
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Simplifies the Patching and Offers a Cost-effective Way for Short Links
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Tested in Targeted Switches for Superior Performance, Quality, and Reliability
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Low Insertion Loss and Ultra-low Crosstalk for Improved Performance
Choosing the Right 100G QSFP28 Cables for your Needs
In this section, we will discuss the parameters and differences of FS 100G cables according to the classification of AOC Cable and DAC Cable to help you choose the ideal cable for your network needs.
FS 100G DAC Cables:
QSFP-100G-PC01 | Q28-AC01 | S112-PC01 | Q-2QPC01 | Q28-2Q28AC01 | Q-4S28PC01 | Q28-4S28AC01 | |
Cable Type | Passive Direct Attach Copper | Active Direct Attach Copper | Passive Direct Attach Copper | Passive Direct Attach Copper | Active Direct Attach Copper | Passive Direct Attach Copper | Active Direct Attach Copper |
Data Rate | 100Gbps | 100Gbps | 100Gbps | 100G to 2x50G | 100G to 2x50G | 100G to 4x25G | 100G to 4x25G |
Connector Type | QSFP28 to QSFP28 | QSFP28 to QSFP28 | SFP112 to SFP112 | QSFP28 to QSFP28 | QSFP28 to QSFP28 | QSFP28 to SFP28 | QSFP28 to SFP28 |
Power Consumption | ≤0.5W | ≤1.5W | ≤0.15W | ≤0.5W | ≤1.5W | ≤0.5W | ≤1.8W |
Cable Length | 0.5-5m (2ft-16ft) | 1-9m (3ft-29ft) | 0.5-2.5m (2ft-8ft) | 0.5-5m (2ft-16ft) | 1-9m (3ft-29ft) | 0.5-5m (2ft-16ft) | 1-9m (3ft-29ft) |
Wire AWG | 26-30AWG | 26-30AWG | 26-28AWG | 26-30AWG | 26-30AWG | 26-30AWG | 26-30AWG |
Minimum Bend Radius | 33-46mm | 33-44.5mm | 20-25mm | 26-34mm | 55-73mm | 25-30mm | 33-44.5mm |
Media | Copper | Copper | Copper | Copper | Copper | Copper | Copper |
Jacket Material | PVC (OFNR) | PVC (OFNR) | PVC (OFNR) | PVC (OFNR) | PVC (OFNR) | PVC (OFNR) | PVC (OFNR) |
FS 100G AOC Cables:
QSFP-100G-AO01 | SDD-AO01 | Q28-2Q28AO01 | Q-4S28AO01 | Q28-4LCAO01 | |
Cable Type | Active Optical Cable | Active Optical Cable | Active Optical Cable | Active Optical Cable | Active Optical Cable |
Data Rate | 100Gbps | 100Gbps | 100G to 2x50G | 100G to 4x25G | 100Gbps |
Connector Type | QSFP28 to QSFP28 | SFP-DD to SFP-DD | QSFP28 to QSFP28 | QSFP28 to SFP28 | QSFP28 to 4 duplex LC |
Power Consumption | ≤3.5W | ≤3.5W | ≤1.65W | ≤3.5W | ≤2.5W |
Cable Length | 0.5-30m (2ft-98ft) | 1-70m (3ft-230ft) | 1-100m (3ft-328ft) | 1-50m (3ft-164ft) | 1-70m (3ft-230ft) |
Minimum Bend Radius | 7.5mm | 60mm | 30mm | 7.5mm | 20Dmm |
Media | Optic Fiber | Optic Fiber | Optic Fiber | Optic Fiber | Optic Fiber |
Jacket Material | OFNP | OFNP | OFNP | OFNP |
OFNP
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Factors to Consider
There are several factors to consider when selecting high-speed cables.
Distance: DAC cables are ideal for short-range connections, typically up to a few meters, within a rack or between adjacent racks. AOC cables are designed for longer distances, ranging from a few meters to several kilometers, such as data centers or connecting buildings within a campus.
Cost-effectiveness: DAC cables are generally more cost-effective compared to AOC cables. The cost difference arises due to the materials and manufacturing processes involved in each cable type. DAC cables utilize copper conductors, which are less expensive than the optical fibers used in AOC cables. However, it's crucial to evaluate the specific requirements of your application. If longer distances are involved, and the benefits of AOC cables outweigh the cost difference, investing in AOC cables may be the more suitable choice. It's essential to find the right balance between cost and performance, ensuring that you meet your networking needs without overspending.
Environmental and Installation: Both DAC and AOC cables can be affected by factors such as heat, humidity, and electromagnetic interference. It's important to consider the environmental conditions in which the cables will be deployed. For example, if the installation environment is prone to high temperatures or humidity, special considerations may be necessary to ensure optimal performance and longevity. Additionally, following proper installation practices, such as avoiding sharp bends or excessive tension, can help maintain the structural integrity of the cables and prevent signal degradation.
Compatibility: Different devices may have specific requirements concerning cable types, lengths, or firmware compatibility. Consulting equipment documentation to ensure seamless integration between the cables and networking devices.
Conclusion
Selecting the right cables is crucial for achieving optimal performance and compatibility in high-speed networking environments. By evaluating your specific requirements, you can confidently select FS 100G QSFP28 cables that meet your needs, ensuring reliable and high-speed connectivity in your network infrastructure.
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