[c-nsp] Voltage outside of nominal range

Bill Wichers billw at waveform.net
Thu Mar 30 10:14:30 EST 2006


> %SPA-2-VOLT_CRITICAL: SPA-2X1GE[2/0] voltage outside of nominal
> range. Nominal (1500mV), value(1575mV)
> ...
> %SPA-2-VOLT_CRITICAL: SPA-2X1GE[2/0] voltage outside of nominal
> range. Nominal (1500mV), value(1584mV)
> ...
> %SPA-2-VOLT_CRITICAL: SPA-2X1GE[2/0] voltage outside of nominal
> range. Nominal (1500mV), value(1585mV)
>
[snip]
> the value in bracket is increasing by one after ~1.5h.
> any advice is appreciated.

Might be thermal drift on some internal voltage reference. There might be
a hotspot (or failed/failing component) in the unit somewhere. 1585 is
only 5.7% over 1500 so you probably don't have an *immediate* big-time
problem, but you should probably call up Cisco and see about maybe
swapping out the blade. Since the voltage seems to be *rising* I doubt the
problem is caused by any plugin device(s) in the blade that you could
easily replace.

     -Bill

*****************************
Waveform Technology
Systems Engineer



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