Patent ID: 7262962
Filing Date: 2007-08-28
Classification: G06F

Abstract:
1. An electronic system, comprising: a front set of circuit boards; a rear set of circuit boards; and an electronic equipment assembly which includes: wherein the front set of circuit boards includes multiple programmable line card interface modules configured to exchange optical signals with an external network; and wherein the rear set of circuit boards includes multiple line cards and multiple fabric cards configured to exchange optical signals with an internal network; and wherein the fan subsystem of the electronic equipment assembly includes: a first fan tray having a first frame configured to engage with the shelf and a first set of fans disposed in a coplanar manner within the first frame; and a second fan tray having a second frame configured to engage with the shelf and a second set of fans disposed in a coplanar manner within the second first frame, the first fan tray being configured to push air of the air stream toward the second fan tray, and the second fan tray being configured to pull the air from the first fan tray.