| 摘要 |
PROBLEM TO BE SOLVED: To supply power to plural head ends from a single power source device. SOLUTION: The power supplied form the power source device 13 connected to a mixer device 1 is supplied to a first and a second head ends HE1 and HE2 through a coaxial cable through which a signal is propagated from the mixer device 1. Current consumption in the coaxial cable at this time satisfies a regulation. In addition the mixer device is provided with a monitor terminal MON to monitor the level of a mixed signal outputted to a trunk 2. |
