Polycom DOC2560C Getting Started Manual page 42

Chapter 2-First Time Installation and Configuration
2-10
— Mount the RMX 1500 on top of the chassis runners.
— Fasten the RMX to the rack with screws through the four holes in
the RMX's front mounting brackets.
Chassis runners are 60cm (23.62") in length. If your rack depth is different, a
shelf can be used instead.
• Using a shelf
— Install the shelf, supplied by the rack manufacturer, in the rack.
— Mount the RMX on the shelf.
— Fasten the RMX to the rack with screws through the four holes in
the RMX's front mounting brackets.