The RSIO includes a small RSIO circuit board with a DB-9 Female RS-232 Connector and a set of 5 prongs for connection to many of the Legacy Series controllers. The RSIO also includes a 2.1mm center positive power supply connector. The RSIO is compatible with the R45PRO, R410PRO, R85PRO, R810PRO, and many other controllers with a 5-Position Terminal Block, used for Serial and Power Connectivity.
