[c-nsp] Problems with 6509 upgrade kit

[Tim Winders]

Make sure your input to the 3000W power supplies is correct.  I believe 
you need 20A 220V input to be able to output the correct power to the Fan 
Tray.  Those power supplies will work with either 110V or 220V input, but 
will only give you partial output capabilities if connected to 110V.

--

Tim Winders
Associate Dean of Information Technology
South Plains College
Levelland, TX 79336

On Mon, 13 Dec 2004, Chris Roberts wrote:

> We (unsuccessfully) attempted to upgrade one of our 6509 chassis to Sup720s
> at the weekend. Of all of the high tech components that could have had
> problems, it seems the fan tray or PSUs failed. :(
>
> I'm wondering if anyone has seen similar. We upgraded the chassis with the
> WS-C6509-NEB-UPGRD kit (high speed fan tray, and pointless seeming backplate
> change), and the power supplies to the WS-CAC-3000W. Connected the appalling
> external power connectors to the power supplies and the fan trays. Upon
> booting, the fans did not spin, and the system complained that the fan tray
> had failed. Neither power input on the fan tray was showing a green light on
> input power, however both PSUs had a green light on output power. We checked
> the cables/cabling between the two and all seemed to be good.
>
> What I found odd however, is that on booting the system, the system
> complained not only of a fan tray failure, but also had a major fault and
> complained that the fan tray needed upgrading. I can only assume that
> without the external power the card appears to the chassis as a normal fan
> tray and not a FAN2 tray? I also find it a bit odd that the PSUs read an
> output of 42V DC/17A (which is repeated in the manuals) and the fan tray
> states an input of 48V DC.
>
> Also, after replacing the Sup1As in the chassis, the Sup1As complained of a
> lack of power and failed to boot the two WS-C6348-RJ-45 cards.
> Unfortunately, by this point our time was limited, so I didn't have time to
> fully investigate why this was happening, and we simply replaced the
> original 1300W PSUs. Is there an incompatibility between the Sup1A cards and
> 3000W power supplies?
>
> Anyone think of anyone I've missed before I RMA the power supplies and the
> fan trays?
>
> Cheers,
> Chris.
>
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