Router frames and I/O board family incorporate new features, broader signal compatibility, and more precise switching, control, troubleshooting and signal measurement. The router frames start from 9x9 I/O size and increase up to 80x80. 80x80 router frame with triple N+1 redundant power supplies; LCD display for error messages, built-in control panel. Contains hot swappable N+1 redundant power supplies. In mission critical operations where high reliability is required, redundancy is key. Should any supply fail, the remaining PSU units continue to function keeping the AV system seamlessly in operation.