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1145B22 Power Supply��

The 1145B22 closet power arrangement provides an uninterruptible -48 VDC power source with battery and 1146B2 distribution unit for ISDN/DCP, terminal equipment, adjuncts, and other customer-supplied equipment. During AC power interruptions, batteries automatically provide power to the load.

NOTE: Before you begin, read this Important Warning for 1145B2 Power Supply.

Perform these tasks in order:

  1. Install the Wall-Mounting Plates
  2. Mount the 1146B2 Power Distribution Unit
  3. Install the Battery Mounting/Wiring
  4. Install the Expanded Power Distribution Unit
  5. Power Up and Test the Power Supply
  6. Wire the 1146B2 Power Distribution Unit
  7. Reset LEDs on Power Distribution Unit

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