Got an SMC7004AWBR 4-port Wireless Broadband Router.
It works, except that there’s no way to get to the main configuration screen. All the other navigator links work; I can set up firewall options, define a DMZ machine, and so on. I just can’t actually tell it my ISP or anything useful like that. I can plug it into my existing router and use it as a wireless access point, or alternatively it’ll do as a doorstop.
I’ve sent e-mail to SMC. Maybe they’ll have a simple solution by tomorrow night. If not, back to Micro Center it goes…
Oh well, at least I now know my Airport card works.