Welch Allyn Connex Integrated Wall System Start Up Guide - Installation Guide - Manual (Page 11)

Startup guide Setup 7
2. Affix the mounting rail bracket to three studs at the selected height using the available
screws (anchors are provided for additional support).
3. Route the power cord through the channel in the back of the accessory bin bracket,
then mount the bracket on the center stud at least 13 inches (33 cm) below the
mounting rail bracket.
Caution Ensure that the upper "lip" of the bracket sticks out from the wall and
that the bracket is level.