AMX SIP Communications Gateway CSG-500 - Manual (Page 21)

Installation
13 CSG SIP Communications Gateway Operation/Reference Guide
You can also mount the CSG by attaching the mounting brackets to the bottom of the unit. FIG. 8
displays the CSG with mounting brackets attached to its underside. The bracket clamps attach to the DIN
rail as shown in FIG. 6.
FIG. 8 DIN Rail Mounting Brackets attached to the bottom of the CSG unit