AH500 Hardware Manual 3. Install the backplane on a DIN rail. Step 1: Pull the clasp in the direction indicated by the arrow. Step 2: Hang the backplane on a DIN rail. Step 3: Press the clasp. 1 2 DIN rail 3 Removing a DIN rail Step 1: Press the clasp in the direction indicated by the arrow. Step 2: Remove the backplane. 1 DIN rail 2 2-12