How many cabinets do I need for a full 63-unit system?

At maximum capacity, the OmniCom system uses a total of 3 cabinets. However only one single power outlet is needed to plug the system to the power line. Cabinet 1 plugs into the power outlet, cabinet 2 plugs into cabinet 1 via power patch cord, cabinet 3 plugs into cabinet 2 via power patch cord. This is a tandem connection that effectively minimizes the number of outlets needed to plug in the system. No more than two outlets will ever be necessary for the whole system: one for the processor(s) and one for the Entry Panel (EAP).

Do I need a UPS for this system?

While an Interruptible Power Supply (UPS) is not necessary to run this system, we do recommend using a UPS to keep the system up in event of power failure and to protect the system against surges on the power line as well. In areas with frequent and/or serious fluctuations of the power line and known potential for high surges, we highly recommend a surge protector at a minimum.   

Can residents still use their phones in case of a power outage?

In the event of a power outage, and given no UPS back up supply, residents phone lines will remain completely functional. However entry intercom and access services won't be available until power is restored.