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2.2 Wiring the Unit Procedure: 1 Connect the load(s) to the unit.s output connector(s) (Figure 2.1). 2 Connect RS.232 or other communications, emergency power off switch, battery packs or any other options (Sections 2.3 to 2.6). 3 Connect the line to the unit.s input connector. TIP: Determine what output voltage you are using. When starting the unit for the first time, see if you need to configure the unit.s output voltage (Section 3.4). Wiring Finished Turn on the unit as described in Section 3