AMX NetLinx Integrated Controllers NI-700/900 Hardware Reference Manual page 16

Installation
To prevent repetition of the installation, test the incoming wiring by connecting the
Controller's connectors to their terminal locations and applying power. Verify that the
unit is receiving power and functioning properly. Disconnect the terminal end of the
power cable from the connected 12 VDC-compliant power supply.
6. Align the ends of the AC-RK with the screw openings along the sides of the equipment rack.
7. Secure the AC-RK to the rack by using the four #10-32 screws (80-0186) and four #10 washers (80-
0342) supplied in the kit.
8. Apply power to the unit to complete the installation process.
12 NI-700 & NI-900 Hardware Reference Guide