MR50 Single Reader Expansion Module (ADC-AC-MR50) is showing tamper
If the MR50 Single Reader Expansion Module (ADC-AC-MR50) is showing tamper:
Verify the included black and white wire harness or a jumper is connected to the J2 terminal pins.
Note: The J2 jumper may be labeled as J501 on newer ADC-AC-MR50 boards.
