Product Description From Shure:
The DRS-10 is a digital switching system that provides remote access to all 10 scene presets stored onboard the DFR11EQ Version 5 unit.
The DRS-10 consists of three assemblies:
Hardware Adapter - Communicates directly with the DFR11EQ
Version 5 by converting the analog signal generated by the switch into
digital RS-232. The hardware adapter plugs directly into the RS-232 serial
port on the back panel of the DFR hardware unit.
Switch Assembly - Consists of a 10-position switch that can be customized to select up to 10 scene presets
Wall Plate Kit - Includes a customized wall plate for the switch assembly, a wall plate label to indicate the switch position of each scene, and a knob to turn the switch assembly post