Multi-Tech Systems DT101 Loop Tests, Voice Loopback Test, Internal DSU Test, External Device Test

DataTalker Owner’s Manual

6.5.1Loop Tests

The Loop Tests menu provides either a voice loopback or a composite link loopback that depends on the type of link device.

Loop Tests

1- Voice Loopback

2- Composite Link Loopback M - Main Menu

P - Previous Menu

Selection : _

The following messages are displayed, depending on the loopback test.

Voice Loopback Test

Voice Loop Test. If you have one voice channel, it loops to itself. If you have two voice channels, voice channel 1 loops to voice channel 2.

Hit any key to end the test.

While the test is running, speak into the mouthpiece of the telephone connected to the DataTalker. If you hear your voice over the speaker, the circuit is okay.

Internal DSU Test

Your internal DSU is in loopback now. The DSU loops both local and remote. To loop data exit command mode.

To end loopback, reset the unit.

External Device Test

To perform a composite link loopback test, put your external link device into loopback.

Internal MMH2834 Test

To perform a composite link loopback test, go into the composite link configuration menu and send the command AT&M1U to the modem. Wait for the “Connect” message, then enterq. After the q, you can exit command mode to loop data.

To end loopback, reset the unit.

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