| 摘要 |
PROBLEM TO BE SOLVED: To provide an USB HUB allowing easy connection to a line such as general public line of various communication equipments being connected to USB ports. SOLUTION: This USB HUB 10 includes a plurality of USB ports 12, an USB HUB circuit 13 connecting these USB ports 12 each other, a power supply 15 suppling DC voltage of a determined voltage to each other USB parts 12 and a power cord 17 suppling AC voltage from the main power to the power supply 15. This USB HUB 10 is further provided with at least one modular jack 20 connected with a line such as a general public line.
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