摘要 |
A testing device and methods for operating the device to test a modem in a personal computer are described. A modem tester includes a signal reporting circuit which can report signals received from the modem of the computer. To test the operation of the modem in the computer, test data can be sent from the modem tester to the modem in the computer and test data can be received by the modem tester when transmitted from the modem in the computer.
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