@@ -20,7 +20,7 @@ Each color in each physical IRU represents one dual-switch ASIC switch.
Each of the 3 inter-connected D racks are equivalent to one half of M-Cell rack. 18 x D rack with MIC accelerated nodes [r21-r38] are equivalent to 3 M-Cell racks as shown in a diagram [7D Enhanced Hypercube](7d-enhanced-hypercube/).
As shown in a diagram 
As shown in a diagram [IB Topology](7d-enhanced-hypercube/#ib-topology)
* Racks 21, 22, 23, 24, 25, 26 are equivalent to one M-Cell rack.
* Racks 27, 28, 29, 30, 31, 32 are equivalent to one M-Cell rack.
