Off-Line Loopback Toward Network Test - Avaya Communication Server 1000M Single Group Manual
Mini-carrier remote fundamentals
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test results message will indicate how many failures occurred during the test. This test could
be performed with the carrier looped back toward the MCR at the LTU, or anywhere along the
carrier link to determine the location of a carrier link failure.
Figure 67: Off-line Network Loopback test
Off-line Loopback Toward Network Test
Test 5, the Off-line Loopback Toward Network test loops the signal from the MCR toward the
carrier. No test data is generated or received at either end of the link. You can perform the Off-
line Loopback Toward Network test on the near end or the distant end. No failure is indicated.
The test simply performs a loopback toward the network on the T1 link. This test can be used
to isolate network problems.
Figure 68: Off-line Loopback Toward Network test
Mini-Carrier Remote Fundamentals
MMI diagnostic tools
March 2013
113
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