Sirius 850 Dual Frame - 1152x1152 (2 x 34RU). Dual Redundant PSUs. Four PSU chassis with 2.5m d.c. cables (additional 8RU), Dual Nucleus2 Controller & Control Interface card, No Monitoring or Multiviewer Outputs. 576 Standard Video Inputs (Coax), 576 Standard Video Outputs - Expandable (Coax), No crosspoint redundancy.