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the regular DC power source and connect input 2 to a backup DC power source such as a battery. The
connections are as follows:
Loosen the power module thumbscrews and remove the power module from the OLT.
1
Remove the green power connector block from the front of the power module.
2
Connect power wires to the RTN power terminal on the power connector block and tighten the terminal
3
screw.
Connect power wires to the -48 V power terminal on the power connector block and tighten the
4
terminal screw.
Push the power connector block back into the front of the power module.
5
Slide the power module back into the OLT and tighten the power module thumbscrews.
6
Connect the other end of the RTN power wires to the positive terminal on the power supply.
7
Connect the other end of the -48 V power wires to the negative terminal on the power supply.
8
Repeat the previous steps for the second power module.
9
10 Turn on the power supplies.
Chapter 2 Hardware Installation
OLT2406 User's Guide
52
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Table of Contents
Troubleshooting
