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DEFINITY Made Easy Tools
Issue 3, December 2001



Install and Wire Telephone Power Supply

Wire the 1146B Power Distribution Unit

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Wire endpoints to the1146B while power from the 1145B is on. A red LED lights if its associated circuit is connected to shorted wiring or to a shorted terminal.

  1. Install cross-connect jumpers to wire from the unit (the label shows polarity) to Pins 7 and 8 of the appropriate information outlet. Route the wires through the clip provided on the unit. If a red LED is on, see Reset LEDs on Power Distribution Unit. See Typical Wiring to a Terminal.

  2. Mark lead destinations on the label next to each connector. Also mark the Unit Number and Connectivity information on the label.

Typical Wiring to a Terminal

Figure Notes:
      1. Power Supply Kit

      2. 2.5, 5.0, or 8.0 Amp Hour Battery

      3. 1146B Distribution Unit

      4. 1145B Power Supply

      5. Circuits 1-16

      6. Circuits 17-32

      7. Port Circuit

      8. Main Distribution Frame

      9. Modular Cord

      10. Pins 7 and 8 (Display Terminal Power)

      11. AC Input

      12. Installer-Provided Ground Wire

      13. ISDN/ Display System Protocol Terminal

      14. Circuits 1-32

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