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New Contributor III

Netvanta 1238 not working all lights blinking

I have two Netvanta 1238s that boot to all lights blinking every second and is unusable.  Connecting with console shows nothing and I've left it powered on this way for a few days.  Anyone knows what this means or how to get it to normal boot?

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Honored Contributor
Honored Contributor

Re: Netvanta 1238 not working all lights blinking

Absolutely nothing at all on the console? Not even gibberish on initial boot? Have you verified your terminal settings and connections?

If the console connection is indeed good, this sounds like bad hardware or at least something that you aren't going to be able to fix without getting Adtran support involved.

Have you checked the power source? Possibly low or incorrect voltage?

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Contributor III
Contributor III

Re: Netvanta 1238 not working all lights blinking

If no network cables are plugged in and they are doing that definitely a power source or hardware issue because it is likely stuck in a reboot cycle.  If network cables are plugged in and all the lights blinking at the same time every second it could also be a network loop and it is causing the CPU and or memory to overload, unplug all network cables, reboot the units and see if problem goes away. If problem still continues most likely power issue or hardware failure.

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