An articulated connection can be used to transfer a steering movement to a vehicle wheel. In the bridge-based RAS backbone network system, a plurality of BSBs with Layer 2 switches are connected to a plurality of RASs, anda plurality of SCBs with L2 switches are connected to part of the BSBs in a lower layer, forming a core network. The pivoting mechanism also includes a shaft retained by the first attaching members and a spring for biasing a shaft and second attaching member in a particular direction. Power state of one or more endpoint devices is changed using the remote power management service.