| 摘要 |
<p>PURPOSE:To use a space of a work area efficiently by adopting the structure able to separate a telephone set and a main body completely so as to use only the telephone set while being removed from the main body in the case of using the telephone set single body and to accommodate the main body to a separate location. CONSTITUTION:A telephone set 2 has an NCU line 3 and connects to a main body 4 via interface circuits 5,6. In the case of needing the use of a telephone function only or desiring to use a data stored in the main body 4 at a separate location, the main body 4 and the telephone set 2 are separated and the main body 4 is moved from a work area to save the installation space and the data base is simply moved.</p> |
