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RE: 6100 : AT commands over rs232

From: kathir
Subject: RE: 6100 : AT commands over rs232
Date: Sat, 04 Dec 2004 05:07:47 +0530

6100 has  no internal modem  so u cannot use at commands  i am sending now
my friend code pl try
change the follwing   as below
#define PORT1 0x3F8  // for com1
outportb(PORT1 + 4 , 0x09);     /* Turn on DTR, RTS, and OUT


-----Original Message-----
From: address@hidden
[mailto:address@hidden Behalf
Of John Coemans
Sent: Saturday, December 04, 2004 2:57 AM
To: address@hidden
Subject: 6100 : AT commands over rs232


Is AT comands sent over the MBUS or the FBUS ?

I build myself a voltage converter that seems to work (the loopback is
working fine when connecting RX and TX together) , but the phone doesn't

Should I connect other pins than just FBUS RX, TX and GND ??? What about the
USBPowDet pin ?

Even the Nokia PC suite doesn't detect the phone.....I bought a data cable,
but exactly same problem, I opened the data cable and as my own circuit only
3 wires are connected : RX,TX, GND.

How can this work ? I am simply interested in connecting my phone to
Hyperterminal and send AT commands to it. I need a RS232 interface because
the ultimate goal is to connect the phone to an embedded DSP.

The Nokia 6100 has the 14 pin connector....

Any help would be greatly appreciated.



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