Plugged it in, powered it on, and got no network connectivity.
That's odd. All the lights look fine on both the T2000 and the switch. But I can't get the link to come up properly. I get
Timed out waiting for Autonegotation to complete
Check cable and try again
So I pull it out of the foundry switch and into a cisco. And then I get
100 Mbps full duplex Link up
OK, it's a shame that I can't get it working at gigabit but at least I can jumpstart it now, and I'll worry about getting it running at full speed later.