... . Dual vented rear doors 4. Side panels can open Computer rack cabinet with vented fron/rear doors ease the operation,and the ... structure,more convenient for being shipped.Top with Fans For Heat DissipationButtom1,Standard: Comply with ANSI/EIA RS-310-D,IEC297-2 ... ,DIN41491,PART7,PART1,GB/T3047.2-9, compatible with 19'' international standard metrical standard & ETSI standard.2,Surface Finish ...