A communication adapter apparatus that is adapted to connect one of plural connection object apparatuses having an apparatus object consisting of information, which is based on functions of the apparatuses, and operable control items, respectively and a network to which a controller for remotely controlling the connection object apparatus is connected, including: communication control means that is adapted to control transmission and reception of data to and from the network; apparatus communication managing means that is adapted to copy and save the apparatus object, save a procedure for a communication service of the communication control means, and make it possible to use the connection object apparatus from the network using these saved data; apparatus interface means that is defined commonly to all the apparatuses in order to make all the plural communication object apparatuses connectable; and characterized in that the apparatus communication managing means includes: an apparatus interface access unit that is usable according to a procedure common to the connection object apparatuses; and an apparatus control access unit that is usable from the communication control means according to the common procedure; and at least one of permitting/prohibiting means (12, 13) such that the apparatus interface access unit can be permitted or prohibited by the communication control unit and permitting/prohibiting means (14, 15) such that the apparatus control access unit can be permitted or prohibited by the apparatus interface means. communication control means that is adapted to control transmission and reception of data to and from the network; apparatus communication managing means that is adapted to copy and save the apparatus object, save a procedure for a communication service of the communication control means, and make it possible to use the connection object apparatus from the network using these saved data; apparatus interface means that is defined commonly to all the apparatuses in order to make all the plural communication object apparatuses connectable; and characterized in that the apparatus communication managing means includes: an apparatus interface access unit that is usable according to a procedure common to the connection object apparatuses; and an apparatus control access unit that is usable from the communication control means according to the common procedure; and at least one of permitting/prohibiting means (12, 13) such that the apparatus interface access unit can be permitted or prohibited by the communication control unit and permitting/prohibiting means (14, 15) such that the apparatus control access unit can be permitted or prohibited by the apparatus interface means. an apparatus interface access unit that is usable according to a procedure common to the connection object apparatuses; and an apparatus control access unit that is usable from the communication control means according to the common procedure; and at least one of permitting/prohibiting means (12, 13) such that the apparatus interface access unit can be permitted or prohibited by the communication control unit and permitting/prohibiting means (14, 15) such that the apparatus control access unit can be permitted or prohibited by the apparatus interface means.