Well, no smoke came out, but she kicked a code.
ADAHRS FAIL
I checked the cable pin for pin. All tested good.
I swapped to other Network Ports.
No joy.
I'm waiting for a response from AFS.
Any ideas?
Yep. AFS replied. After the setup, everything works except the backup batteries are low.
Holy cow this thing is complicated. I need to open the manual.