The 48U NetShelter® SX Enclosure from APC® provides enhanced security for mission-critical networking equipment. Featuring adjustable front vertical mounting rail, it allows for equipment with various mounting depths. It offers protective grounding provisions and security between enclosures when bayed together. The included perforated front and rear doors provide ample ventilation for servers and networking equipment. Integrated rear cable management channels allow you to easily route, manage, and access large numbers of data cables even while an enclosure is loaded with rack-mount equipment and bayed within a row. Rear power distribution channels provide easy access to multiple receptacles. Additionally, it offers lockable doors and side panels for enhanced level of security to prevent unauthorized entry.