Pinouts of Audio / Video hardware connectors  > device-specific pinouts
1 Data+  
2 Data-  

Here is the internal pinout for the Buzz Pro2 from Edstrom Electronics

1 R1_DTA+ Red Indicator1 Data+
2 CLR+ Clear+
3 CLR- Clear-
4 ACT_DTA+ Active Data+
5 EN_DTA- Enable Data-
6 EN_DTA+ Enable Data+
7 GND Ground (Connected with pin 9 on circuit board)
8 R2_DTA+ Red Indicator2 Data+
9 BZ+ Optional Buzzer+
10 BZ- Optional Buzzer-
2 pin MONO plug connector layout
2 pin MONO plug connector
According to 1 reports in our database (1 positive and 0 negative) this pinout should be correct.

Is this pinout
Handheld Buzzer For Buzz Pro2 from Edstrom Electronics visual pinout:
Handheld Buzzer For Buzz Pro2 from Edstrom Electronics diagram
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