Wire Assignments for the I2C Bus in Hall A
RJ11 or 6P4C
Wire Functions
(looking down on the plug with the tab away from you)
Position
 Wire Function Wire Color
6


5
 4
 SDA Yellow
4
 3
 SCL Green
3
 2
 Vcc Red
2
 1
 GND Black
1


i2c_wire_assignment_picture
RJ12 or 6P6C
Wire Functions
(looking down on the plug with the tab away from you)
Position
 Wire Function Wire Color
6
 6
 GND
 Blue
5
 5
 SDA Yellow
4
 4
 SCL Green
3
 3
 Vcc Red
2
 2
 GND Black
1
 1
 Vcc
 White
i2c_wire_assignment_picture
 
RJ45 or 8P8C
I2C Bus Extender in Hall A
Wire Functions
(looking down on the plug with the tab away from you)
Position
 Wire Function
8
 8
 Slave SCL
7
 7
 GND
6
 6
 Master SCL
5
 5
 GND
4
 4
 Slave SDA
3
 3
 PWR
2
 2
 Master SDA
1
 1
 PWR
RJ45_i2c_wire_assignment_picture
Color Codes
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