Aironet 1100 won't show IP Addr. w/ IPSU

I am trying to set up a Aironet 1100. I enter the mac addr. into the IPSU and get a error - device does not answer. I've reset the device, ng. Tried 2 different computers, ng. I cannot get to the config. page. Any ideas?

Plan B: Get yourself a copy of tftpd from here:
http://tftpd32.jounin.net/
A very lightweight TFTP & DHCP server (amongst other things). Install on a PC and connect to the new AP with a cross lead (or in such a way that the PC and AP are isolated from the main LAN). Start TFTPD and configure a DHCP scope, power on the AP and watch the TFTPD log screen. Connect to the AP with a browser and give it a static address on the main LAN.
Plan C: Connect a console cable to the AP and reboot it, watch the boot process carefully and you'll see the IP address it leases.

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