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Whether the input voltage values of two PIU boards must be the same

The input voltage values of two PIU boards can be different but must be in the permitted range. The input voltage range is as follows:
�?8 V DC: �?0 V to �?7.6 V
�?0 V DC: �?8 V to �?2 V

Other related questions:

Are input voltages of all FXS interfaces the same

Input voltages of FXS interfaces vary depending on the device.

Whether the two ends of a WDM link must have the same service type

Yes, the two ends of a WDM link must have the same service type.

Whether the OA rated optical power is configured based on the nominal value of each board or must be the same based on the output power values of all OA boards for the OPA feature

For the OPA function, the rated optical power of OA boards needs to be set based on the OA board types on the live network. The nominal single-wavelength optical power of each OA board is used as reference.

Whether ST2 and STG must be installed in the same subrack

If the clock functions of the ST2 board need to be used, you must insert the board into the subrack equipped with clock boards.

CPU models requirements

A server must use the same model of CPUs. Otherwise, the server cannot run normally.