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Chapter 4 Installation and Maintenance
Removing and Replacing a Power Supply Unit
SCE 2000 4xGBE Installation and Configuration Guide
4-24 OL-7824-02
Step 3 Insert one receptacle screw into the hex or loop connector on one power line input, insert
the screw with the connector into the corresponding lead receptacle and tighten the
receptacle screw using the number 2 Phillips . Repeat for the remaining power line input
lead.
Figure 4-15: Connecting the DC Power
Note
The color coding of the DC-input power supply leads depends on the color coding of the DC power
source at your site. Make certain the lead color coding you choose for the DC-input power supply
matches lead color coding used at the DC power source.
Note
Use 12 AWG (2.5 mm) copper wire only with hex or loop connectors. Ring terminals must be UL
approved and suitable for 12 AWG wire.
Step 4 Using the number 2 Phillips screwdriver, securely fasten the protective plate to the
terminal block.
Step 5 Connect the DC power line input leads to the DC power source through a fast 4A circuit
breaker.
Step 6 Turn the on/off switch to the on (⏐) position.
Step 7 Look at the IN and OK LEDs on the power supply unit and the corresponding Power
LED on the front panel. If the new DC-input power supply unit is operating properly,
these LEDs will be glowing green.
Step 8 Ensure that the power supply is properly aligned and the installation screw is tightened.