Features 3 Unit Card Cage With Power Supply Accepts up to three 1.0? wide modules 1 RU (1.75?) height requires minimal equipment rack space, and may be also be desktop mounted Two separate isolated DC inputs for power supply redundancy, for mission critical/high reliability applications Environmentally Ruggedized: Fully compliant with the requirements of NEMA TS-1/TS-2 for use in ITS-specific or other difficult out-of-plant applications. Hot swappable modules & plug-and-play operation External 120-240 VAC power supply unit included (For benign 0? to 50?C applications only. Hardened power supply available) This product delivers professional-grade performance, reliability, and seamless integration for modern security systems.