[c-nsp] C4948-10G power problems - FYI

[Konstantin Barinov]

Hello community,

Today experienced very strange C4948-10G failure, for your information.

It was a brand new box, in service for 3 weeks. Today it went off-line.
Came to site and saw interesting situation - both AC power supplies
had green light "Power IN" but both were red "Power OUT" and both power
supplies smelled a well-known smell of fried electronics. What is more
interesting - both PSU's were connected to different APC SmartUPS 1500
units, and no power anomalies were logged by UPS'es.

I suspect a hardware design flaw, where internal problem in switch itself
killed both power supplies.

Wow. Never saw anything like that. :(


br
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Konstantin Barinov
INFONET AS, Tallinn, Estonia