Cause:
Customers want to make sure the Symmetra 4-post rails will mount into their rack.
Resolution:
Yes, the SYAOPT1 will mount into both the NetShelter AR203A and AR204A. They are 29.42" (747mm) deep.
Minimum Mounting Depth: 27.5" (698.5mm)
Maximum Mounting Depth: 34.5" (876.3mm)