The NEC CPUI(300)-U20 ETU is a central processing unit that contains a 32-bit microprocessor that controls the system.

The CPUI(300)-U20 ETU has 16, 4-party conference circuits, 4-channel PBR circuits, a tone generator, MOH input, and two built-in melodies.

One required per basic IPK KSU.

This CPUI supports up to 48 ports.

Two Year Warranty