In the user interface, you can view or set the loopback status of the IF interface or ODU interface at the two ends of a microwave link to locate equipment faults.
For more information about the loopback of ODU interface at the two ends of a microwave link, visit Setting a Loopback for an ODU Interface.
For more information about the loopback of IF interface at the two ends of a microwave link, visit Setting a Loopback for an IF Interface.
The services may be interrupted at the port or on the path where the loopback is performed.