Installation continued |
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Connecting the PDU continued |
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Model PDUMH20ATNET Only): The PDU |
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includes two adapters that convert one or both |
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of the |
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Connecting the adapters is optional. The PDU |
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will function normally without connecting the |
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adapters. |
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Although the PDU will operate without |
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connecting the Secondary input cord, the | PDUMH15ATNET | PDUMH20ATNET | ||
Secondary input is required for the PDU's | ||||
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Automatic Transfer Switch function. |
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Primary input plug A to a preferred source of |
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grounded 120V AC power, such as a |
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SmartOnline™ UPS System. The UPS system |
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must not share a circuit with a heavy electrical |
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load (such as an air conditioner or refrigerator). |
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Under normal operating conditions, the PDU |
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will distribute AC power from the Primary |
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input source. Connect the Secondary input plug |
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B to an alternative source of grounded 120V |
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AC power, such as a redundant SmartOnline |
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UPS System. The UPS system must not share a |
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circuit with a heavy electrical load (such as an |
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air conditioner or refrigerator). Do not plug the |
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Secondary input into the same power source as |
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the Primary input. The PDU will distribute AC |
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power from the Secondary input only if the |
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Primary input becomes unavailable. See the |
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Configuration and Operation section for more |
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information. |
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Note: Immediately after the PDU is connected to live AC |
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power, you may notice a series of soft clicking sounds emitted |
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by electrical relays within the PDU. The relays may also click |
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occasionally during the operation of the PDU. This is normal. |
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3 Connect Equipment to PDU: Do not exceed |
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the load rating of the PDU. The total electrical |
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current used by the PDU will be displayed on |
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the digital meter in amperes. Each outlet |
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includes a green LED that illuminates when the |
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outlet is receiving AC power. |
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| 3 |
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4
