1- or 2-axis interface, USB and RS232 (optional), open-collector-outputs, Azimuth, Azimuth&Elevation, DUAL-Azimuth
ERC-M can be used to control azimuth, azimuth&elevation or DUAL-azimuth antenna-systems for the HAM-operator. The controller was checked with the most popular logging or tracking-programs or with rotor-control-programs who communicate with such applications by DDE.
You can use ERC-M to directly connect the control-boxes that have a remote-connector or to (most) any other rotators (including homebrew-systems) by use of rotorcards. Any combination of rotators is valid.