Apply 12V DC power (The Left-Hand [LH] LED should be solid green).
Connect your exit button from the RTE terminal to the RTE/BL (Backlight/Blue) terminal. dg500 keypad manual
If you forget the master code or the keypad becomes unresponsive, a reset may be necessary. Enter programming mode ( # for 2 seconds, then 1234 ). Press 0 . Both LEDs will flash red. Apply 12V DC power (The Left-Hand [LH] LED
Upon first connection to the control panel: dg500 keypad manual
The DG500 typically has a terminal block on the rear. Standard wiring is as follows: