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  3. December 2013

Re: IBMi UPS cable

Would you want the system to power down if only one UPS lost grid power? Would you want the system to power down if BOTH UPS lost input power?

Looking to understand the logic in the magic box because an Arduino could do this very very easily.

- Larry "DrFranken" Bolhuis

www.frankeni.com
www.iDevCloud.com
www.iInTheCloud.com

On 12/11/2013 2:07 PM, Jerry Draper wrote:

We have an 8202-E4D with redundant power supplies (2 AC).

Mgmt wants to connect each AC to a different UPS for UPS redundancy.

We only have one port for the RJ45 UPS sensor cable (P1-T2).

http://pic.dhe.ibm.com/infocenter/powersys/v3r1m5/index.jsp?topic=%2Fp7had%2Fp7hadups.htm

IBM suggested that we could build a box with two RJ45 in and one RJ45
out (or two DB9 to one DB9) that would detect UPS status from either UPS
and send one signal to the IBMi.

Anyone have this box or know where to get one?

Thanks,

Jerry



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