Sun Microsystems 220R service manual Connector is keyed so that it installs in only one way

5.Connect the CPU core voltage power cable to connector J0103 on the DC-to-DC converter board.

The connector is keyed so that it installs in only one way.

6.Connect the CPU core voltage power sense cable to connector J0102 on the DC-to-DC converter board.

The connector is keyed so that it installs in only one way.

Removing and Replacing Miscellaneous Assemblies 173