Solution
The wire mappings for the SHC68-68-RDIO and SHC68-C68-RDIO2 Cables can be found below.
The wire list document for the SHC68-68-RDIO Cable contains information such as shielded pairs and color codes. Note that all DGND lines are internally connected within the cable.
Group A of the SHC68-68-RDIO Cable
Group B of the SHC68-68-RDIO Cable
Group C of the SHC68-68-RDIO Cable
The wire mapping and shielding components for the SHC-68-C68-RDIO2 Cables can be found below. The ground lines are internally connected on the SHC-68-C68-RDIO2 Cable.
There might be a slight variation between the pinout depicted in SHC68-C68-RDIO2 Cable and the one you can find with the compatible R Series cards, but the one to follow is the last mentioned.
Pins 1 to 34 of the
SHC68-C68-RDIO2 Cable
Pin 35 to 68 of the SHC68-C68-RDIO2 Cable