ADTRAN 1200212L1, User Manual

Page: 140 / 172

Chapter 11. Testing
11-4 DSU IQ User Manual 61200212L1-1
PVC Loopback
A PVC loopback test is a non-intrusive loopback option for each
PVC. During this test, the DSU IQ periodically sends test frames to
the remote DSU IQ which are then returned for analysis. The
bandwidth required is approximately 1 kbps for each PVC in test.
See Figure 11-3 for the
T
ERMINAL
menu.
Figure 11-3. PVC Loopback Menu
DLCI or 0 for All (DLCI)
Enter the DLCI of the PVC to be tested (or enter 0 to test all
available PVCs). Range is 0 to 1007 .
Test Length
Amount of time (in minutes) that you want the test to take place.
Enter
0 for a continuous test. This option is not available on the
front panel. Range is 0 to 1440 .
Start Test
Starts the test.