Description of the problem

Now the network use transmission OSN3500 equipment, verification PDU, found that NDB-63 open labeling seems to be AC, the panel shows 230V ~ 400V, as shown in the following figure, so NDB-63 only support AC? Does it support DC?

Solution: NDB-63 is the only support for AC?

After verification, NDB-63 for AC and DC universal, the following red line, AC support 230V ~ 400V, DC 60V, in the above AC and DC applicable range can work normally.

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