If you just want to see the pinout of the PAC-RT connector, check here.
If you want to see how to build a cable to connect a PAC-RT to a Syntor-X, check here.
For hooking up a PAC-RT to a Maxtrac/Radius/GM300, you will want to check this page.
The service manual for the PAC-RT is part number 6881010C09.
