Several 800G switch chips have been introduced to the market, and the deployment of 800G optical transceivers is progressively gaining momentum. In this context, it is essential for data centers to ensure adequate connectivity and support for smooth operations at 800G speeds. This can be achieved by carefully selecting appropriate optical devices and cables while considering critical factors such as bandwidth, distance, and overall cost efficiency.
Artificial intelligence(AI) predominantly relies on parallel computing methodologies. Subsequently, this article will delineate parallel cabling solutions for Direct Attach Copper (DAC) cables, Active Optical Cables (AOC), and optical transceivers within the context of 800G data centers.
800 Gigabit Data Center DAC and AOC Solutions
In applications requiring ultra-short distance connectivity, DAC and AOC are typically the preferred choices due to their streamlined installation processes and cost-effectiveness compared to optical transceiver solutions. Notably, DAC represents the most economical option while also facilitating the shortest connection distances. Both DAC and AOC solutions are offered in configurations for direct and branched connections, catering to various installation needs.
800 Gigabit Data Center 800G Multi mode Optical Transceiver Solutions
The connection architecture of the Multi mode Optical Transceiver exhibits similarities to that of the AOC configuration, as both systems are designed to facilitate connectivity over a distance of up to 100 meters. Nevertheless, a key differentiating factor is that the Multi mode Optical Transceiver must be employed alongside MPO multi mode fiber to achieve optimal performance.
800 Gigabit Data Center 800G Single mode Optical Transceiver Solutions
In the context of selecting a long-distance 800G data center solution, ABL has strategically opted for a silicon optical solution. This innovative approach allows for a reduced number of lasers compared to the conventional 8-way EML solution employed in standard 800G optical transceivers. For instance, the 800G DR8 model operates effectively utilizing only one laser, thereby achieving enhanced power efficiency. Furthermore, in addition to the 500m 800G DR8 optical transceiver, ABL has introduced the 800G DR8+ designed for 2km transmission and the 800G DR8++ for 10km transmission. Both of these models are available in OSFP and QSFP-DD packaging options.
The deployment of 800G data centers necessitates a meticulous evaluation of various cable types and their distinct characteristics. Different 800G cabling solutions present a range of benefits and should be judiciously chosen in alignment with the particular requirements of the data center.
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