Was the NetShelter SX AR33xx roof redesigned in 2010?

Issue:
Newer NetShelter SX AR33xx cabinets have a different roof than older models.

Product Line:
NetShelter SX

Environment:
All versions and serial ranges.

Cause:
In 2010 the roof of the NetShelter SX AR33xx cabinets were redesigned to allow more room for cable access.

Resolution:
See attached file

Released for: Schneider Electric USA