For an "L" rating, which is preferable: high or low numbers?

In the context of "L" ratings, a lower numerical value is preferable because it typically indicates a lower level of imperfections or flaws within a given system. The "L" rating often pertains to performance metrics where a lower rating signifies better quality or reliability. This is particularly relevant in networking and telecommunications, where systems are expected to operate with minimal errors or disruptions.

When you have a low "L" rating, it implies that the equipment or installation is functioning efficiently and meeting or exceeding industry standards. Consequently, lower values are associated with higher performance and less interference, which is why they are deemed desirable for ensuring optimal network operations and user satisfaction.