| 摘要 |
An outdoor telecommunications cabinet comprising an electronic compartment adapted to contain heat-generating electrical equipment, having a main electronic compartment including a rear wall panel and two clamshell doors, a floor panel and a cover panel, including access areas and an equipment stora ge area, the main compartment being adapted to contain heat-generating electric al equipment, at least one rack inside said main electronic compartment for electronic equipment, a base assembly supporting the said electronic compartment, having a width and depth similar to said main electronic compartment capable of being anchored to a base plate or pad, a ventilated s ub- compartment in the base assembly containing an environmental cooling system, a pair of clamshell doors, movable between an open position permitting access to both front and back sides of said electrical equipment and a closed position in which the doors maintain a substantially closed environment in the electronic compartment, a cable entry port, typically on the rear wall panel , and a return air duct assembly mounted to said rear panel to form an enclose d duct vertically traversing the length of the electronic compartment and interfacing with a cutout area on the floor panel for circulating airflow through an enclosed path to the electronic compartment.
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