
Originally Posted by
DimitarCC
Can you give schematics how to build RS232 to TTL interface cable?
You can also use the NOKIA TTL / RS232 DKU5 or USB CA-42 data cable ... 


Rx is at Nokia pop-port pin 6
Tx is at Nokia pop-port pin 7
GND is at Nokia pop-port pin 8

Here more info:
Code:
http://buffalo.nas-central.org/index.php/Use_a_Nokia_Serial_Cable_on_an_ARM9_Linkstation
http://pinouts.ru/CellularPhonesCables/nokia_dku-5_cable_pinout.shtml
or build the interface RS232/TTL (these schemes):
Regards
Arci
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