I've hooked up a SIP WX Module to the Prop Mini's PropPlug pins. The last 4 SIP pins (DO,DI,/RES,Gnd) on the WX are supposed to be directly connectable to the Mini's programming pins (Rx,Tx,RESn,Gnd) along with Vin. I always get a -1 error downloading a program using Proploader. What am I missing? The WX is configured properly in STA mode via the web interface and the ASC LED flashes appropriately.