Installation
56 (72) © Nokia Corporation DN991456
Nokia Proprietary and Confidential Issue 3 en
Note
Connecting the power supply cable to the power supply unit
1. Make sure that the site’s mains power supply is switched OFF and that the
switch on the power supply unit is in the stand-by position.
2. Open the connector shield by loosening the retaining screws with a torque
driver and a T10 Torx bit (see Figure 19).
3. Open up the rubber sealing piece and route the power supply cable through
it. Close the sealing piece.
DC power can be fed in with three separate conductors. In this case, reverse the
rubber sealing piece so that the three small recesses are facing each other and
form three small holes (see Figure 19). Use the three holes for routing the
conductor cables.
4. Connect the power supply cable to the power connector in the power
supply unit.
5. Close the power supply connector shield and tighten the screws.
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