The WR-5 WR-5 is a microprocessor based remote control unit for Ashly NE Series products using a four conductor serial bus. Up to four WR-5 units can be daisy- chained and powered from the host product. More WR-5 units can be added by using an Ashly RPS-18 inline power supply adapter. The RD-8C can not be used with the WR-5.