The pinning of the I2C Connector
pin
signal
1
SDA
2
Connii: reserved
Connii MM: TEST_OUT
Levii: TEST1
Optii: TEST_IN
Tracii XL: TEST_OUT
3
GND
4
VCC
5
SCL
6
Connii MM: TEST_IN
Levii: TEST2
Optii: TEST_OUT
Tracii XL: TEST_IN