Batboard

HI,
I want to use such a cradle to prog some Advisor, but I dont have the UPI, I build up a simple shematic with IC that works,

My question is, how ist the pinout of the RJ11 port and why give the original UPI 1,5 Volt to the programming cradles??

Thanks

Georgeman

I have removed your duplicate posting. In the future, do not make duplicate postings in multiple forums - pick the best fit for your question (paging, in this case) and post there.

Thanks.