Enhance your security system with the Aiphone IS-SCU Add-On Central Control Unit. Designed to complement the IS-CCU Central Control Unit, this device supports up to eight door or sub stations and eight master stations. It allows for expansion with two additional IS-SCU units, each connecting via three CAT-5e/6 cables. Equipped with four public address outputs, four contact outputs, and two video BNC outputs, it ensures comprehensive connectivity. Setup is straightforward via a web browser on a PC. The unit can be rack mounted in a standard EIA rack (2U space required) or wall-mounted using brackets. It operates on an external 48V DC power supply, IS-PU-UL. Upgrade your system today for enhanced control and scalability.