| 摘要 |
PURPOSE:To simplify a wiring processing by providing a supplying means with a low voltage direct current power source to a telephone set, etc., at a master equipment to connect the telephone set to a telephone line in accordance with the receiving contents from the telephone line and transmit and receive a signal between respective terminals to suffice with only one AC adap. CONSTITUTION:Since the division between jacks 18 and 19 of a master equipment 8 is connected by lead wires 23 and 24 in the internal part, the direct current power source of a low voltage supplied from an AC adapter 11 is supplied from the jack 19 through a power source code 12 to a telephone set 9. Thus, it is not necessary to prepare an another AC adapter as for the telephone set 9, extra expenses are not costly, the system is used by loading the telephone set on the master equipment, the master equipment and the telephone set are made close and arranged, the short power source cord of the telephone set is sufficient, a wiring processing comes to be very simple and a satisfactory external apperance can be obtained.
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