Rain Bird 634677-02 Output Station Module Board for PAR+ES and MSC+ Controllers - This Output Station Module Board is for use with Rain Bird PAR+ES and MSC+ Controllers. It features top-tier parts and materials. PAR+ES Satellite Controllers feature IFX Satellite Boards that take communicating with Rain Bird’s Integrated Control Interface Plus (ICI+) and IC System™ to the next level. The "smart-system" diagnostics of the MSC+ reduces costly downtime and alleviate much of the troubleshooting with built-in diagnostics.