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

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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

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

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
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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.

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