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This appendix provides the requirements for cabinet and rack installation for the Cisco Nexus 6000 switch and includes the following sections:
This section provides the requirements for the following types of cabinets and racks, assuming an external ambient air temperature range of 0 to 104 o F (0 to 40 o C):
Note If you are selecting an enclosed cabinet, we recommend one of the thermally validated types: standard perforated or solid-walled with a fan tray.
Note Do not use racks that have obstructions (such as power strips), because the obstructions could impair access to field-replaceable units (FRUs).
This section includes the following topics:
The cabinet or rack must be one of the following types:
The cabinet or rack must also meet the following requirements:
– The minimum spacing for the bend radius for fiber-optic cables should have the front-mounting rails of the cabinet offset from the front door by a minimum of 3 inches (7.6 cm), and a minimum of 5 inches (12.7 cm) if cable management brackets are installed on the front of the chassis.
– The distance between the outside face of the front mounting rail and the outside face of the back mounting rail should be 23.5 to 34.0 inches (59.7 to 86.4 cm) to allow for rear-bracket installation.
– A minimum of 2.5 inches (6.4 cm) of clear space should exist between the side edge of the chassis and the side wall of the cabinet. No sizeable flow obstructions should be immediately in the way of chassis air intake or exhaust vents.
Note Optional jumper power cords are available for use in a cabinet. See the “Jumper Power Cord” section.
A perforated cabinet is as a cabinet with perforated front and rear doors and solid side walls. In addition to the requirements listed in the “General Requirements for Cabinets and Racks” section, perforated cabinets must meet the following requirements:
Cisco provides an R-Series rack that conforms to these requirements.
To help with cable management, you might want to allow additional space in the rack above and below the chassis to make it easier to route as many as 56 fiber or copper cables through the rack.