| 摘要 |
<p>A test apparatus for testing the operation of data transmission terminals such as videotex or directory terminals. The test apparatus comprises two adaptation plugs to be plugged respectively into a telephone plug and a terminals and peripherals adaptor of a terminal to be tested, a data processing unit, a modem, and means for delivering test instruction sequences to the processing unit to test terminal operation. The delivering means has a read-only memory incorporated in the processing unit of the apparatus, so that the apparatus can be used without having to connect it to a remote server through the telephone network.</p> |
