Clear-Com IMF-3 - Interface Module Frame for Eclipse Digital IntercomThe IMF 3 holds up to 11 interface modules in a 3RU chassis. Modular rear mounted connector units feature two RJ 45 connectors to the matrix ports and two DB 9s attaching the connected devices. The frame is used in conjunction with the PSU 101 rack mountable dual power supply, providing power to the enclosed interfaces. (Interface modules and PSU 101 power supply are sold separately.)