Samsung SCC-B2391 Instructions page 14

3 Third, connect the power cable.
AC24V/DC12V Power Input Camera.
Connect 2 lines of the power adapter using a screwdriver to the power
E
IN Terminal of the camera as shown below.
Without the distinction of the polarity, connect to the AC24V or DC12V
power source.
AC230V Power Input Camera
Connect the power input cord to the AC230V power source.
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