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- For each power supply, connect a power cable between the power connector on the back of the appliance and a properly grounded and rated power circuit that meets the provisions of the current edition of the National Electrical Code, or other wiring rules that apply to your location. Make sure that the outlet is near the appliance and is easily accessible.
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Note: The information in this section is for advisory purposes only. No color coding standards exist for DC power cables. The color coding used by the external DC power source at your site determines the color coding for the leads on the power cables that attach to the terminal studs on each DC power supply. Ensure that DC power connections maintain the correct polarity. The cables of your DC power source also may be labeled with
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(+) and (-) to indicate polarity.
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Most DC power supply deployments use -48V input. Table 7 lists -48V pinouts for DC connections between power transformers and Infoblox DC power supplies.
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Pin/Wire | Color | Designation |
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1 | Black | RTN (Positive Return) |
2 | Red | -48v (Negative Input Voltage) |
3 | Green/Yellow | GND (Safety Ground) |
The DC power supplies for your Infoblox appliance label the terminal studs as -48V and RETURN, respectively. Always connect ground connections before connecting power leads.