| 摘要 |
<p>The invention enables to carry diagnostic and maintenance operations from a single central unit (1) which has at disposal analysis, control and command data. The functions performed by the transmission control unit are to transmit the state of functions of an autoswitch, the analysis of scenary of communications (3, 4, 5), the results of circuit measurements, and to modify the functions of an autoswitch. The operation may be automatic or manual according to the degree of seriousness affected to the event and this independently of the conjugated assembly of speech and data supervised by the control unit.</p> |
