I'm not sure how they will rule on your brackets, but this is from the manual:
11.
R61 - Modifying the Control System
The control system is provided to allow wireless control of the robots. The Operator Interface, Robot Controller, Speed Controllers, Relay Modules, Radio Modems, Batteries, Battery Charger, AC Adapter, and 9-pin cables may not be tampered with, modified, or adjusted in any way, (tampering includes drilling, cutting, machining, gluing, rewiring, etc.) with the following exceptions:
- The dip switches on the Operator Interface may be set as appropriate.
- The user programmable code in the Robot Controller may be customized.
- The Speed Controllers may be calibrated as described in owner's manuals.
- The fuse on the Spike relay for the Air Compressor may be replaced with a 20 Amp Snap-Action circuit
breaker.