• 20 empty slots for DHD GA/MADI SFPs 52-7591, 52-7592, 52-7593, 52-7594
  • needs 52-7550 for operation
  • 4 empty slots for DSP cards 52-7530
  • needs additional 52-7530 for GA/MADI slots 9-12 (1), 13-16 (2), 17-20 (3), 21-24 (4 pieces 52-7530)