ONS 15454 shows up as "unknown" after power outage

We had a power outage that took down a ONS 15454 in a remote facility. Upon restoring power and powering-up the unit, it shows up in CTC as grey with "Uknown2" as the name.
I had someone reseat the TCC card, but it still comes up as unknown.
Has anyone seen this? Any suggestions (the device is hours from me)

Try and restart CTC session and clear CTC cache
Can you ping the node
Check to see if the node is in the OSPF routing table
Can you access via CTC locally
Is your CTC terminal directly connected or does it go via a firewall
Probably resolved now how did you resolve it?

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Problem Update.
Well, I finally got my machine up and running "almost" as good as it was before my power surge problems. Thank you to everyone that responded with advice. I ended up replacing the Antec 330w TruePower psu with the new Enermax Noisetaker 420w (EG425P-VE SFMA V2.0) that I had, and I had to replace the MSI sata combo drive (went with a Pioneer 710 DVD-RW, which is an excellent unit) and now things are back to normal. Plus, I bought an APC 650VA/390watt battery backup with soft shutdown to help prevent any power outage problems again.
When I said "almost" as good as new, that is because this morning when I booted up, all I got was a black screen (no post) for a couple of minutes, and then a message appeared that approximately said "the dram timings are too tight, reload timings", or something like that. Well, since the timings have never been changed, I'm not sure what is going on, but after turning it off and then re-powering it up again, it booted (though slowly at first) and I've just been letting it run all day. Ha, just when I was ready to venture into OCing this rig. Think I will anyway. If the problem continues, I'll be back seeking helpful advice again.

ONS 15454 shows up as "unknown" after power outage

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