990-5810D-001

Connect the PBUS Cables between Parallel UPS Units

Front View of the I/O Cabinet in Top Cable Entry Systems

Front View of the I/O Cabinet in Bottom Cable Entry Systems

  1. Remove two plugs from either the top or bottom of the cabinet and install conduits.
  2. Route the PBUS cables from the installation kit 0H–0889 through either the top or the bottom of the I/O cabinet.
  3. Connect the PBUS cables between the I/O cabinets of the parallel system according to the diagram below.
    NOTE: The PBUS 1 cables are white and the PBUS 2 cables are red.
    NOTE: The total length of the PBUS cables must not exceed 60 m (197 ft).

    Example of System with Four UPSs in Parallel

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