A communication system including a host transceiver, one or many device transceivers, and a wireless or wired link, in which encoded digital audio data and optionally also other auxiliary data are transmitted and received between the host transceiver and one or many device transceivers. The present compounds are inhibitors of hormone-sensitive lipase and may be useful in the treatment andor prevention of medical disorders where a decreased activity of hormone-sensitive lipase is desirable. The first cartridge subassembly may include a first conductive terminal and the second cartridge subassembly may include a second conductive terminal that is normally in electrical contact with the first conductive terminal when the first and second subassemblies are assembled. Support for legacy media is provided to allow the player to playback compact discs and DVD discs that were manufactured without the auto run playback program. The switch boxes disconnect the PSTN call and connect to their ISPs. A thermostatic expansion valve is connected between the condenser and evaporator, and includes an inlet and an outlet.