The Re:source communication module with Server software
offers the access of the M51 to the M37/M57 database. All
artists, albums, genres, tracks and individual playlists can
be shown on the M51 and the Re:control M217 displays. A
maximum of four audio signals coming from a Re:source
audio server can be connected to the server module. In
addition it offers a crossbar matrix system to distribute also
two zone servers to all four zones of the M51 multiroom
system.