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Subject : 
Cannot connect to the PDU via Telnet
Description : 
I cannot connect to the PDU via Telnet, what might be the problem?

Solution : 
Please ensure you are using the latest firmware ( and the Telnet server has been enabled on the PDU webpage (Setup --> Security --> Working mode), please refer to attached picture.

Attachment : 
Related FAQ : 
US421's FAQ(switching function)
KN9116's Basic operating steps
Older UC232A's can not support Windows 8 and later OS
Telnet commands
KE6900/KE6940 Bandwidth

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