Active optical cables (AOCs) are a type of cable that uses optical fiber to transmit data signals, offering advantages like higher speed, longer distances, and lower power consumption compared to traditional copper cables.

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How AOCs work:
  • AOCs consist of optical fiber with electrical-to-optical converters built into the connectors at each end. 
  • Electrical signals are converted to light signals at one end, transmitted through the optical fiber, and then converted back to electrical signals at the receiving end. 
  • This conversion allows for faster data transmission and longer distances compared to copper cables.
Key Features and Benefits:
  • High Speed and Bandwidth:
    AOCs can support high-speed data transmission, making them suitable for demanding applications like data centers and high-performance computing. 

  • Longer Reach:
    AOCs can transmit signals over longer distances compared to copper cables, reducing the need for repeaters or signal amplifiers. 

  • Lower Power Consumption:
    AOCs typically consume less power than copper cables, reducing energy costs and heat generation. 

  • Electromagnetic Interference (EMI) Immunity:
    Optical fiber is not susceptible to EMI, making AOCs a reliable choice for environments with high electromagnetic interference. 

  • Flexibility and Durability:
    AOCs are generally lighter and more flexible than copper cables, making them easier to install and manage in various environments. 

Applications:
  • Data Centers:
    AOCs are widely used in data centers for connecting servers, switches, and storage devices, enabling high-speed data communication and efficient network infrastructure. 

  • High-Performance Computing (HPC):
    AOCs are essential for connecting high-performance computing systems, facilitating faster data transfer and communication between components. 

  • Telecommunications:
    AOCs are used in telecommunication networks for transmitting signals over long distances, enabling high-bandwidth communication services. 

  • Consumer Electronics:
    AOCs are also used in consumer electronics devices like TVs, gaming consoles, and laptops to improve signal quality and support high-resolution video transmission. 

Types of AOCs:
  • Direct Attach Copper (DAC):
    DAC cables are a type of AOC that uses copper wires for short-distance connections within a rack. 

  • Breakout AOC:
    These are multi-lane AOCs that allow multiple connections from a single connector, offering flexibility in high-bandwidth applications. 

  • QSFP+ and QSFP28:
    These are AOC types that support high data rates for 10Gbps and 100Gbps networking, respectively.