Regarding network rack. They're offer rack following this.
1. 2 open rack for support the cables. ( Server/backup room ).
2. 2 close rack 42 U 60x110 cm. for network equipments. (Server/backup room).
3. 1 rack 42 U 80x100 cm. the door made by glass. for network at the end of factory.
** All rack is black and supplier recommend open rack can't support network equipments, because it's heavy and can't support when we add more in the future. It should be used close rack.
Please see in the pictures.