Rockwell Automation 8520 9/Series CNC Integration Maintenance Manual Documentation Set - Manual (Page 533)

I/O Interface
Section 10A
10A-10
Output Interface Ribbon Cable
The data from the push-button MTB panel I/O module is sent to the MTB
panel via the output interface ribbon cable. Table 10A.E lists the pin
assignments for output interface ribbon cable. If you are using an
Allen-Bradley MTB panel refer to page 9A-31 for the pinouts of this cable.
Pin Assignments for Use with Custom MTB Panels
The connector pins that are reserved for grounding are indicated. Any pins
that are not reserved can be assigned to a custom MTB panel function or an
external I/O device. Use the blank space beside each pin number to
indicate any pin assignments that are made.The pin assignments will have
to correspond to the pin assignments of the push-button MTB panel I/O
module in the PAL I/O Assignment file. The I/O assignment file will have
to be edited if the pin assignments do not correspond. Refer to the 9/Series
CNC 9/230,9/260, and 9/290 PAL Reference Manual, publication
8520-4.3, for more information.