An uncoupling device, particularly for universal joint transmissions, is provided. The method comprises increasing the mass airflow through the first branch relative to the mass airflow through the second branch when an amount of decrease in the mass airflow through the first branch is more than half an amount of a corresponding decrease in the combined mass airflow. The heat dissipation solution thermally decouples the heat dissipation path associated with the laser diodes from the heat dissipation path associated with other heat-generating components of the module, such as the laser diode driver IC and the receiver IC. The axle sleeve main body has a fastening mechanism capable of proceeding connection with the optical chassis. Once the novel CSPF technique is triggered, the computing node determines the set of nodes adjacent to the event, and further determines which of those adjacent nodes are within the TE-LSP.