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Pinouts for Nokia 6233, 6234
Connector:

Pinouts:
pin: description:
1 Gnd
2 M-Bus/ Clk
3 Vpp
4 RX2
5 F-Bus Rx
6 F-Bus Tx
7 USBPowDet (USB Power Detection)
A Vcc
B BSI
C Gnd