| 摘要 |
An apparatus for testing a CATV transmission line according to the present invention, wherein a down-signal to subscribers from a CATV broadcasting station is split into a plurality of signals and an upstream transmission line for leading said down-signal and a plurality of downstream transmission lines for transmitting split signals are separated from each other, whereby said upstream transmission line and said downstream transmission lines are tested separatedly, comprises one main input terminal adapted to be connected to said upstream transmission line, a plurality of main output terminals adapted to be connected to a plurality of downstream transmission lines respectively, a splitter for splitting a signal from said main input terminal to a plurality of first split output terminals, said splitter being connected to said main input terminal and provided with said plurality of first split output terminals, and a plurality of second split output terminals, connected to said plurality of main output terminals respectively and arranged so as to be connectable to said plurality of first split output terminals respectively.
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