Chapter 6 Diagnostic Screens
Management Switch Card User’s Guide
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6.10 OAM Loopback Screen
Click Diagnostic > OAM Loopback in the navigation panel to display this screen. Use this screen
to perform an Ethernet OAM (Operational, Administration and Maintenance) loopback test to check
an Ethernet line card port’s connection to a subscriber Ethernet device.
Figure 98 OAM Loopback
The following table describes the labels in this screen.
6.11 IMA Loopback Screen
Click Diagnostic > IMA Loopback in the navigation panel to display this screen. Use this screen
to perform a physical layer E1, layer two IMA, or ATM layer F5 loopback test to check the
connectivity between an IMA line card port and the connected ADM (Add-Drop Multiplexing) device.
Table 72 OAM Loopback
LABEL DESCRIPTION
OAM
Loopback
Select slot and port numbers from the Slot and Port drop-down list boxes.
Specify the size (in bytes) of the OAM loopback test Ethernet frame to use and how many to
send. Click Test to perform the loopback test. Click Get to see the results.
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