The ARIES NETLink™ is one of the most technologically advanced intelligent fire alarm suppression-focused control units available to the industry today. It combines the high quality, system reliability, and flexibility required by modern commercial, high-tech and industrial applications in an aesthetically-pleasing and physically-robust package. Its modular architecture enables easy field expansion from the base 2-SLC unit that supports 510 addressable devices (255 per circuit) to an 8-SLC system that supports 2,040 addressable devices; 130,560 addresses available for a 64-node network. The ARIES NETLink is compact, fits between wall stud dimensions, and is designed to be quick and easy to install. Cutting edge technologies incorporated in the electronics design enable diagnostics for time-efficient commissioning.