AOC DAC

What is fiber optic DAC and fiber optic AOC?

+ Direct Attach Copper Cable (DAC) is generally translated as a direct connection cable or a direct connection copper cable, a cable assembly with fixed connectors at both ends, and the module head and the copper cable cannot be separated. The DAC is divided into Passive Copper Cable and Active Copper Cable. The DAC transmits all electrical signals, and does not involve the conversion of electricity to light or light to electricity.

+ The DAC has low cost and low power consumption, but the transmission distance is short. It is mainly concentrated in the application scenarios of 1 meter to 5 meters. The product structure is simple, the parts are few, and the reliability is high. It is suitable for short-distance applications that require low cost and low power consumption.

+ Active Optical Cable (AOC), translated as active optical cable. There are two modules at both ends of the AOC, and a piece of fiber in the middle. There are optical transmitters and optical receivers on the circuit boards in the modules at both ends of the AOC. Their functions are to convert electrical signals into optical signals at the transmitting end, transmit them to the optical fiber, and then convert the optical signals into electrical signals at the receiving end. Because it uses optical signal transmission, the transmission distance is longer than that of the DAC, but due to the photoelectric conversion involved, the design and processing technology are more complicated, and the cost and power consumption are also higher.

+ AOC has a long transmission distance, and the common length ranges from 1 meter to 30 meters. However, AOC products with a length of more than 300 meters can also be customized, but the cost is high and the power consumption is high, which is suitable for scenarios requiring convenient wiring or long transmission distance.