The Introduction of Active Optical Cable(AOC)
In the data age, there are more and more high-density and high-bandwidth applications. At this time, passive optical cables or copper-based cable systems appear to be stretched. In order to ensure the stability of transmission and flexible application, users urgently demand a new product as the main transmission medium for high-performance computing and data centers. Under this situation, active optical cable products have emerged at the historic moment. With the irreversible trend of "optical advancement and copper retreat", the future will be the age of "all-optical networks", and active optical cable technology will penetrate into every corner of the high-speed interconnection market.
1. What is Active Optical Cable(AOC)
Active Optical Cables (AOC) are optical fiber jumpers with optical module devices installed at both ends. They are communication cable that requires external energy to convert electrical signals into optical signals or convert optical signals into electrical signals during communication. Optical transceivers at both ends of the optical cable provide photoelectric conversion and optical transmission functions.
The popular high-speed optical interconnect AOC products in the market include 10Gbps SFP+ AOC, 25G SFP28 AOC, 40Gbps QSFP+ AOC, 100G QSFP28 AOC, and 120Gbps CXP AOC etc..
2. The Advantages of Active Optical Cable(AOC)
Active optical cable (AOC) is also known as optical cable with chip. Traditional data center interconnection is mainly based on coaxial cables. AOC active optical cables have many significant advantages over interconnected copper cables. For example, the transmission power on the system link is lower, the weight is only a quarter of the directly connected copper cable, the volume is about half that of the copper cable, and it has better air flow and heat dissipation in the wiring system of the computer room. The fold radius is smaller than that of copper cables, and the transmission distance is longer (100 to 300 meters). The bit error rate of the product transmission performance is also better. Compared with the optical transceiver module, the AOC active optical cable has no exposed optical interface, does not need to consider the problems of pollution on the optical interface. Thus, it greatly improves system stability and reliability, and reduces maintenance costs in the equipment room.
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