connecting nokia 6100 with hyperterminal "plz help stuck here" ajay i m stuck

hi i m trying to send at commands to my cell phone i.e nokia 6100
using hyperterminal , i have connected my cell phone using serial cable
i m using 3 pins of my phone i.e rx tx and ground
bt the problem is this whnever i connect my phone to hypertermial
it doesnt recieve any at commands and my cell phone screen goes white...
plz help i m stuck (

i have tried at commands with my t610 using bluetooth virtual serial port it wokrd fine
bt not working for nokia 6100 as i have to connect my noia 6100 with microcontroller afterwards ...plz help ...

i am using the pinout of nokia as shown in figure attatched i.e pin 6,7,8

and one more thing do i hve to connect

rs232 rx>>>>tx of nokia 6100
rs232 tx>>>>rx of nokia 6100
right??

i guess i have to connect the max232 in between then is it the problem??
plz help

and one more thing do i hve to connect
rs232 rx>>>>tx of nokia 6100
rs232 tx>>>>rx of nokia 6100
right??

compaq

Yes try that first.

i guess i have to connect the max232 in between then is it the problem??

compaq

You need to use a voltage level converter such as a max232.
Direct connection the the PC serial port may have damaged the phone.

Another problem is that the connector is labled "FBUS"
"FBUS" uses a different set of commands to AT commands.
It probably will not work with AT commands.
Check the posts in the "Embedded gsm" and "GSM and CDMA" forums

i have shown the pinouts plz tel me how to connect it now i have used max too bt dosen get responce plz help me ...

Hi

ExperimenterUK is right as your mobile is based on F-BUS protocol ..it not supports AT commands.
So try this link....This is basically for 3310 F-BUS. May be you get little Idea.
http://www.embedtronics.com/nokia/fbus.html