1. Installing Internal Optional Devices
Express5800/R120h-2M (2nd-Gen) User’s Guide
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Chapter 2 Preparations
9. Similarly, insert the return line (DC) into the right slot of the terminal block connector, and tighten the screw.
10. After inserting the 2 lines to the terminal block connector, connect it to the power supply unit (DC).
11. Secure the power line and ground wire to the handle of the power supply unit (DC) with a strap.