A signal input into an input terminal 1 is input into mixers 2, 4, and down-converted with local signals having a phase difference of 90 degrees, respectively, whereby an I-signal and a Q-signal are obtained. Plans containing recommendations are then presented to a system user so the user can make decisions necessary regarding whether to change configuration hardware to meet expected load increases in the future. The valve body has a bore wherein is installed one movable piston subjected to the action of pressure applied to the first inlet connection. The locator assembly can have one or more expansion members that can selectably contact the wall of the body lumen and a proximal end configured to cooperate with a portion of a locator control system operable to expand the one or more expansion members. This configuration provides for both an edge that engages the ground but also a face that creates a larger contact surface with the ground. The adapter includes a switching system that may be coupled to data exchanging devices in the network environment, and port circuitry that may be used to facilitate establishment of a link between the first data storage system and a second, remote data storage system in the network environment.