Sirius 830 - 288x288 frame (15RU). Dual Redundant PSUs. Single PSU chassis with 2.5m d.c. cables (additional 2RU), Dual Nucleus2 Controller & Control Interface card, No Monitoring or Multiviewer Outputs. 144 Standard Video Inputs (Coax), 144 Standard Video Outputs - Non-Expandable (Coax), No crosspoint redundancy.