PMP 450b

Could anyone give me some insight on how to reset a PMP450b to factory default?

Assuming you cannot get into the interface, the 450B can be a pain to reset.  Below is the instructions from the User Guide.  The second that light goes off, put the power back in.  If I recall, it usually is sooner than 10 seconds too. 

1 Apply power to PSU for at least 10 seconds.
2 Remove power from the PSU, and then re-apply it as soon as the power indicator light
goes out (about 1 - 2 seconds).
3 When the unit is in recovery mode, access the web interface by entering the default IP
address The Recovery Image Warning page is displayed.
4 Review the Boot Selection (Table 254).
5 Select a recovery option
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