The AP Labs FS-7276 is a convection cooled ATR enclosure which accommodates 8 or 15 slot, 6U VME/cPCI card cages.AP Labs designed the FS-7276 ATR enclosure to meet ARINC 404 guidelines for a 11/2 long tall ATR device. MIL-STD-461 EMI can optionally be met. An optional ARINC-style shock tray provides shock and vibration isolation.