990-5940H-001

Connect the Signal Cables in Parallel Systems

  1. Connect the optional parallel cables between all the UPSs of the parallel system.
    NOTE: See Communication Interfaces for location of parallel ports.
  2. For 10/15/30/40 kVA UPSs, remove the right side panel of the UPSs. For 20 kVA UPSs, remove the left side panel of the UPSs. Pull out the parallel board.
  3. Remove the jumpers from the parallel board according to your system:
    • In parallel systems with two UPSs, remove the jumpers from J34, J36, J38, J39, J42 on both boards.
    • In parallel systems with three or four UPSs, remove all the jumpers.
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