Rockwell Automation 1756-OF8I ControlLogix Eight-channel Isolated Analog I/O Modules - Manual (Page 107)

Rockwell Automation Publication 1756-UM540A-EN-P - May 2014 107
Install ControlLogix Isolated Analog I/O Modules Chapter 6
Complete these steps to install an I/O module.
1. Align the circuit board with the top and bottom chassis guides.
2. Slide the module into the chassis until the module locking tab clicks.
Printed Circuit Board
20861-M
Locking tab
20862-M