If the current products had some bridgable channels it would open up configurations too, for instance:

770 could be:
  • 7x200
  • 3x600 + 1x200
  • 2x600 + 3x200


And similarly the 7100 could be:
  • 7x100
  • 3x230 + 1x100
  • 2x230 + 3x100
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Charlie