The MicroPAQ-940S is a microprocessor-controlled expansion module for the MicroPAQ-940P and ePAQ-9410/20, providing sixteen additional digital inputs (status points).
The MicroPAQ-940R is a microprocessor-controlled expansion module for the MicroPAQ-940P and ePAQ-9410/20, providing up to eight momentary or four latching relay outputs (four control points).