Welcome to our site! EDAboard.com is an international Electronics Discussion Forum focused on EDA software, circuits, schematics, books, theory, papers, asic, pld, 8051, DSP, Network, RF, Analog Design, PCB, Service Manuals... and a whole lot more! To participate you need to register. Registration is free. Click here to register now.
According to Neoway M590E hardware design manual, for proper operation of the sim, pins 11 & 14 (SIMIO, SIMVCC) of modem should be having high-level signals.
But in my case, both pins are zero volts after power on with 3.97 volt supply. Pull-up resistance used between both pins is 4.7k ohms...
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.
