https://www.kernowmodelrailcentre.com/p/76102/AED-21PD42-DCC-Concepts-AE-Model-21-Pin-Direct-6-Func-Decoder
AED-21PD.4.2 DCC Concepts AE Model 21 Pin Direct 6 Func Decoder
AED-21PD.4.2 DCC Concepts AE Model 21 Pin Direct 6 Function Decoder (4 powered / 2 logic)