What are the differences in the processing mechanism of the ring check function between earlier-version and later-version MA5600T?

We plan to buy Huawei OLT, What are the differences in the processing mechanism of the ring check function between earlier-version and later-version MA5600T?

• The processing mechanism of the ring check function of an earlier-version MA5600T has the following disadvantages:

1,After a loop is detected, the MA5600T deactivates the ONT. In this way, live-network configurations are modified.

After the ONT is deactivated, you need to manually activate the ONT (that is, re-configure services). This increases the workload.

• The processing mechanism of the ring check function of MA5600T V800R009 (or later versions) is optimized in terms of the following aspects:

1, After a loop is detected, the MA5600T makes the ONT go offline. In this way, live-network configurations are not modified but the ONT is stopped from transmitting services.

2, Huawei MA5600T automatically makes the offline ONT go online after a period of time elapses. Note that 3, the length of this period of time is configurable.

3, An easy-to-use query function is provided. With this function, you can query all ONTs that go offline because of loops.

• If you need to query all ONT deactivation records, run the display event history eventid command to query the information about events 0x2910000d and 0x29100026.