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S4100–ON Series S4128F-ON, S4148F-ON, and S4148FE Installation Guide November 2017

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DC power supply connection

Each DC PSU kit, sold separately, comes with a connector cable.
Figure 1. DC power supply and connector cableIllustration of DC PSU and connector cable.
  1. DC PSU power socket
  2. Cable connector with thumb screws
  3. Cable connector wires—black, green, and blue
  4. Wiring block
  5. DC power source wires—black, green, blue
  1. Strip 1/2 inches of insulation from each of the site’s DC power source wires, item 5.
  2. Insert each of the site’s DC power source’s bare wire lengths into the wiring block, matching the wire colors, items 3 and 4.
    • WARNING: Do not cross the wires—in the wiring block, blue aligns with blue, green aligns with green, and black aligns with black.
  3. Use a flat-blade screwdriver to tighten the screws that secure the bare wires into the wiring block.
  4. Insert the DC power connector cable end into the power socket of the DC PSU and tighten the thumb screws, items 1 and 2.
    • WARNING: Never force the power connector into or out of the DC PSU power socket.
  • NOTE: To remove the power connector from a DC PSU, unscrew the thumb screws and pull the power connector from the DC PSU socket.

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