S6700 cannot use AC and DC power supply simultaneously.
In earlier versions of V100R006C01, the S2700, S3700, and S5700 cannot use AC and DC power supply simultaneously.
In V100R006C01, the S3700-26C-HI, S5700-28C-HI, and S5700-28C-HI-24S can use AC and DC power supply simultaneously. S6700 cannot use AC and DC power supply simultaneously.
In V200R001C00, the S5710-28C-EI and S5710-52C-EI can use AC and DC power supply simultaneously.
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