Whether the THA board supports PRBS testing

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When the THA board carries STM-1/OC-3, STM-4/OC-12, STM-16/OC-48, and OTU1 services, it supports PRBS testing on the client side.

Other related questions:
Whether the THA or TOA board supports test frames
The THA and TOA boards support test frames when GE(GFP-T) services are received on the client side.

Whether the THA board support IEEE 1588v2
When the THA board carries GE services and the encapsulation mode is GFP-T which corresponds to GE(GFP-T) on the NMS, the following modes are supported for clock signal transmission: TC, TC+OC, BC, and OC. Note that the TX8/RX8 and TX16/RX16 optical ports do not support IEEE 1588v2.

Whether the THA and TOA boards support tributary-line mode
No. The THA and TOA boards do not support tributary-line mode. Only the TOM board supports tributary-line mode.

Whether changes to PRBS testing status on one port of a TDX board affect services on other ports
Changes to the PRBS testing status on one port do not affect services on other ports. The PRBS testing function, however, is recommended only during network deployment in which services are not provisioned.

Cause why no data is displayed on a tester for the test frames on the THA or TOA board
When the client-side service type is GE(GFP-T), the GE service encapsulation mode needs to be changed to GFP-T.

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