| 摘要 |
<P>PROBLEM TO BE SOLVED: To obtain a communication system comprising a first unit 1 having a transmission object signal processing section 11 and a second unit 2 having a section 12 for transmitting/amplifying an output signal from the first unit 1 independently in which the transmitting/amplifying section 12 can be monitored. <P>SOLUTION: The communication system comprises a means for transmitting information, being used for monitoring the transmitting/amplifying section 12, to specified destinations 11 and 7. The transmitting/amplifying section monitoring information transmitting means transmits information in the form of an optical signal, for monitoring the transmitting/amplifying section 12, to the specified destinations 11 and 7 through optical fiber lines K2 and K3, or transmits the information in the form of a radio signal, for monitoring the transmitting/amplifying section 12, to the specified informing destinations 11 and 7 through radio lines K2 and K3. <P>COPYRIGHT: (C)2004,JPO&NCIPI |
