You need these 3 parts :
1. TLA,AP-T,CONN-Q,MCU-Z,MSX FUSED(1637790-S0-F)
2. Ethernet Diagnostic - RJ45Module(1681904-00-A)
3. MCU,RJ45,JUMPER(1783315-00-A)
the latest service invoice does not show the ethernet and jumper as these were installed in a previous service.
Attached is the latest...