All lights flashing

[gbwall63]

I have a IPO 403 that has failed. When I boot it up, all of the LEDs on the front panel flash. Anyone know what this means?

I am unable to get connected to it through the network or maintenance port.

Any idea?

 

[jml2665]

disconnect all the phones, ethernet cables and PRI's,

if not that then try removing any internal boards like the PRI or VCM's,

long shot but try a new P/S, and if not that then you may be sunk

 

[gbwall63]

The only other power supply I have with me is one for an IPO SOE. It has the same voltage and current rating as the one on the 403 so I tried it. When I plug it in, all of the lights come on and stay on (no flash). When I revert back to the original power supply, I get the flash again.

I may try getting another IPO 403 supply before I replace the unit. Subsequent to my orginal message, I noticed that the indicator light on it was not on.

 

[jml2665]

does it actually work (got dial tone) with the SOE p/s?

 

[IPGuru]

this sounds to me like it may have one of the intermediate firmware builds loaded (eg V1.99 used when upgrading form V1.x to V2.x)

Refer to Faq940-5354 for info on firmware recovery.

 

[kristiandg]

I've also had this happen if one of the analog ports got hit with a small surge. In my case, it blew the little chip used for that port, and the blown chip caused a short, thus repeated rebooting. Once I removed the chip, it booted up fine. Dead giveaway is when you touch the chip, it's as hot as the sun (impressive for such a small chip).

It was a pain tracking down the replacement chip, but we were able to find it and replace it with success.

Hope this helps...

Kris G.