- Vented heavy-gauge steel base can be bolted to floor with seismic-rated fasteners.- Performance rating based on NEBS-Telcordia GR-63-CORE standard vibration test.- Reinforced front door features smoke gray acrylic window.- EIA standard for 19" rackmount equipment.- Door equipped with 3-point latching and keylock handle.- Door and side panels removable for easy installation and access.- Top features two cable entry ports with caps and grommets, and two fan-ready cutouts with finger guards.- With its"chimney" effect, the cabinet cools mounted equipment by drawing cool air through louvers and venting the heated air through the top.- Dynamic load rating of 1000 pounds (454 kg) for earthquake zones; static load rating of 2500 pounds (1134 kg) for non-earthquake zones.If it can stand up to the activity in California, it can handle what happens in your server room. The Zone 4 Seismic Cabinet is designed to protect up to 1000 pounds of server room equipment from the rigors of Zone 4 seismic activity. And because it meets EIA standards, the cabinet can be used in different applications with 19-inch rackmount equipment and fans.The top of the cabinet features two cable entry ports with caps and grommets, and two fan-ready cutouts with finger guards. With its "chimney" effect, the cabinet cools mounted equipment by drawing cool air through louvers and venting the heated air through the top.