| 摘要 |
PROBLEM TO BE SOLVED: To acquire information required for position management by a simple method without performing a special operation. SOLUTION: An apparatus Hn transmits an apparatus ID to an apparatus management device A1 in response corresponding to a predetermined acknowledgement to be transmitted from the apparatus management device A1. The apparatus management device A1 acquires a port number from a connection acknowledgement, from a concentrator C0, responding to the connection acknowledgement transmitted at a predetermined timing after the apparatus Hn is connected to a port dn. COPYRIGHT: (C)2007,JPO&INPIT
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