| 摘要 |
Apparatus for automatically switching transmissions of data from a source of between a coaxial network and a twisted pair network depending on the state of the twisted pair network including apparatus for monitoring the condition of the twisted pair network to determine whether an operating network is connected, apparatus for normally connecting the output of the source of data to the twisted pair network, and apparatus for switching the output of the source of data to the coaxial network when a fault occurs in the operation of the twisted pair network.
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