Sirius 840 - 576x576 frame (27RU). 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. 576 Standard Video Inputs (Coax), 576 Standard Video Outputs - Non-Expandable (Coax), No crosspoint redundancy