Multitech MultiModem MT9234ZPX-PCIE, Руководство пользователя

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Chapter 4 - Troubleshooting
48 Multi-Tech Systems, Inc. MT9234ZPX User Guide
Loopback Test
1.
Connect a microphone and speaker to the MultiModem. To avoid feedback, make sure the microphone and
speaker are well separated; better yet, use a headphone instead of a speaker.
2.
Select Start , point to Programs , point to Accessories , and click HyperTerminal .
3.
Click Cancel in the Connection Description dialog box.
4.
In the HyperTerminal terminal window, type AT&&S and press E
NTER
. This command causes input from
the microphone to be looped back to the speaker.
5.
Speak into the microphone; you should hear your voice on the speaker or headphone.
6.
Type ATZ and press E
NTER
to reset the modem.
Speakerphone Test (with voice option)
1.
Connect a microphone and speaker to the MultiModem.
2.
Select Start , point to Programs , point to Accessories , and click HyperTerminal .
3.
Click Cancel in the Connection Description dialog box.
4.
In the HyperTerminal terminal window, type
AT+FCLASS=8
AT+VLS=7
ATDT
xxxxxxx (for xxxxxxx substitute a telephone number)
5.
Speak into the microphone to talk to the person on the other end of the line, and listen over the speaker.
6.
Type +++ATH and press ENTER to hang up.
7.
Type ATZ and press ENTER to reset the modem.