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Chapter 2 Installing the Device
The DC power supply, power switch, grounding screw, and terminal blocks, are located on
the faceplate of the power supply unit.
Power
LED
Warning:
You must shut off current to the DC feed wires before connecting the wires to the
power supplies. Also, make sure that the power switch is in the off position.
To connect the DC power supply to a grounding point at your site:
1.
Remove the hex nut on the grounding screw.
2.
Place the ground lug on the screw and tighten the hex nut securely.
3.
Connect the other end of the grounding lug wire to a grounding point at your
site.
To connect DC power feeds to the terminal blocks:
1.
Loosen the retaining screws on each terminal block.
2.
Insert the 0V DC (positive voltage) return wire into the center COM connector
and the -48V DC power feed wire into either the left or right connector.
3.
Fasten the screws over the connectors.
4.
Turn the power switches on.
Note:
and any of them are off, the Alarm LED on the Management Module glows solid
red. This alarm indicates that maximum system stability requires all installed
power supplies to be operational.
18
If there are multiple power supplies in the NetScreen-5000 Series device
-48V
-48V
COM
Power Switch
Thumbscrew
DC Power
Terminal Block
Grounding
Screw
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