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Cabinet Requirements

You can mount the device in a cabinet that contains a 19-in. rack.

Cabinet requirements consist of:

  • Cabinet size.

  • Clearance requirements.

  • Cabinet airflow requirements.

Table 1 provides the cabinet requirements and specifications.

Table 1: Cabinet Requirements and Specifications

Cabinet Requirement

Guidelines

Cabinet size

  • The minimum cabinet size is 36 in. (91.4 cm) deep. Large cabinets improve airflow and reduce chances of overheating.

Cabinet clearance

  • The outer edges of the front mounting brackets extend the width of the chassis to 19 in. (48.2 cm).

  • The minimum total clearance inside the cabinet is 30.7 in. (78 cm) between the inside of the front door and the inside of the rear door.

Cabinet airflow requirements

When you mount the device in a cabinet, ensure that ventilation through the cabinet is sufficient to prevent overheating, as follows:

  • Ensure adequate cool air supply to dissipate the thermal output of the device or devices.

  • Ensure that the hot air exhaust of the chassis exits the cabinet without recirculating into the device. An open cabinet (without a top or doors) that employs hot air exhaust extraction from the top ensures the best airflow through the chassis. If the cabinet contains a top or doors, perforations in these elements assist with removing the hot air exhaust.

  • Install the device in the cabinet in a way that maximizes the open space on the side of the chassis that has the hot air exhaust.

  • Route and secure all cables to minimize the blockage of airflow to and from the chassis.

  • Ensure that the spacing of rails and adjacent cabinets is such that proper clearance exists around the device and cabinet.

  • A cabinet larger than the minimum required provides better airflow and reduces the chance of overheating.