A trailer axle assembly includes a non-rotating axle tube that extends laterally between a pair of wheel ends. At least one blade has, on the side away from its articulating part, provisions for the articulated assembly of part of the bracelet. Stops and counter-stops which are fixed and displaceable respectively with respect to the housing form various stop elements that can be used to select the number of switching positions and actuation modes. An asynchronous transfer inputoutput portion asynchronously inputs and outputs the timestamped data by SBP-2 transfer. The pharmaceutically acceptable salts are then formed by the saponification of the esters followed by alcohol precipitation.