... ,PART1,DIN41494,PARTT,GB/T3047.92 and ETSI standard.Description:1. Easy to fix concentrated distribution unit info frame.2. ... closed, and wire holes dimentions can be change at requestments.6. Several lockable cable entrance on the top/bottom plate.7 ... , 22U, 27U, 32U, 36U, 40U, 42U, 45U Good quality 19 inch WXD WB2 600x1000 27U sever rack / network cabinet / network rack / sever cabinet & own factory