# AOC Cable: The Ultimate Guide to Active Optical Cables
What is an AOC Cable?
An Active Optical Cable (AOC) is a high-performance cable that uses optical fiber technology to transmit data over longer distances with minimal signal loss. Unlike traditional copper cables, AOC cables convert electrical signals into optical signals, enabling faster data transfer rates and better resistance to electromagnetic interference.
How Does an AOC Cable Work?
AOC cables consist of optical fibers with built-in transceivers at each end. These transceivers convert electrical signals into light pulses for transmission through the fiber and then back into electrical signals at the receiving end. This process allows for high-speed data transfer with low latency and reduced power consumption.
Key Advantages of AOC Cables
- High Bandwidth: Supports data rates up to 400Gbps and beyond
- Longer Distances: Can transmit data up to 100 meters without signal degradation
- Lightweight: Much lighter than equivalent copper cables
- EMI Immunity: Not affected by electromagnetic interference
- Lower Power Consumption: More energy efficient than copper alternatives
Common Applications of AOC Cables
AOC cables are widely used in various industries and applications:
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- Data centers and high-performance computing
- High-definition video transmission
- Telecommunications networks
- Medical imaging equipment
- Military and aerospace systems
AOC vs. DAC: What’s the Difference?
While both AOC (Active Optical Cable) and DAC (Direct Attach Copper) cables are used for short-range connections, they have distinct differences:
| Feature | AOC | DAC |
|---|---|---|
| Maximum Distance | Up to 100m | Up to 7m |
| Weight | Lighter | Heavier |
| EMI Sensitivity | Immune | Susceptible |
| Power Consumption | Lower | Higher |
Choosing the Right AOC Cable
When selecting an AOC cable, consider these factors:
- Data Rate Requirements: Match the cable’s speed to your application needs
- Connector Type: Common options include QSFP, SFP+, and Mini-SAS
- Cable Length: Choose based on the distance between devices
- Compatibility: Ensure the cable works with your equipment
- Quality and Reliability: Opt for reputable manufacturers
Future of AOC Technology
The demand for AOC cables continues to grow as data centers and high-performance computing environments require faster