Dell PowerConnect J-8208 Hardware Guide - Page 82
Cabinet Requirements and Specifications for a J-EX8208 Switch
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Dell PowerConnect J-Series J-EX8208 Ethernet Switch Hardware Guide Cabinet Requirements and Specifications for a J-EX8208 Switch You can mount a J-EX8208 switch on a cabinet that contains a 19-in. rack as defined in Cabinets, Racks, Panels, and Associated Equipment (document number EIA-310-D) published by the Electronics Industry Association (http://www.eia.org). Cabinet requirements consist of: • Cabinet size and clearance • Cabinet airflow requirements Table 31 on page 66 summarizes cabinet requirements and specifications for J-EX8208 switches. Table 31: Cabinet Requirements and Specifications for a J-EX8208 Switch Cabinet Requirement Guidelines for the J-EX8208 Switch Cabinet size and clearance • The minimum cabinet size for accommodating a J-EX8208 switch is 23.62 in. (60 cm) wide and 30.0 in. (76.2 cm) deep. Large cabinets improve airflow and reduce the chance of overheating. To accommodate a single J-EX8208 switch in a four-post rack, the cabinet must be at least 14 U high (or 15 U if you install the power cord tray, which is optional for the four-post rack). To accommodate a single J-EX8208 switch in a two-post rack, the cabinet must be at least 15 U high. A U is the standard rack unit defined in Cabinets, Racks, Panels, and Associated Equipment (document number EIA-310-D) published by the Electronics Industry Association (http://www.eia.org). • With adequate cooling air and airflow clearance, you can stack three J-EX8208 switches in a cabinet with a four-post rack that has at least 42 U of usable vertical space. (45 U are required if you install the optional power cord tray.) You can stack three J-EX8208 switches in a cabinet with a two-post rack that has at least 45 U of usable vertical space (for two-post rack installations, installing the power cord tray is mandatory). In all cases, the rack must meet the strength requirements to support the weight. • The minimum total clearance inside the cabinet is 29.2 in. (74.17 cm) between the inside of the front door and the inside of the rear door. 66