The AAON ASM07420 Controller Commonlinks Kit, also known as the CommLink 6, is an OEM communication interface designed to connect compatible AAON HVAC control systems to a computer. It uses USB and built-in Ethernet connectivity to facilitate communication between controllers and Prism 2 software, enabling technicians to monitor, configure, and troubleshoot system operations. This kit... https://www.partshnc.com/aaon-asm07420-controller-commonlinks-kit