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Dell™ PowerEdge™ 2950 Systems Cabling Instructions for the –48 VDC Power Supply Dell™ PowerEdge™ 2950 系统 有关 -48 VDC 电源设备的 布线说明 w w w . d e l l . c o m | s u p p o r t . d e l l . c o m...
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This document describes the requirements and wiring instructions for a –48 VDC power cable and safety ground wire for systems equipped with a –48 VDC power supply. CAUTION: This equipment is designed to permit the connection of the earthed conductor of the DC supply circuit to the earthing conductor at the equipment.
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CAUTION: Never defeat the ground conductor or operate the equipment in the absence of a suitably installed ground conductor. Contact the appropriate electrical inspection authority or an electrician if you are uncertain that suitable grounding is available. Input Requirements Supply voltage: –...
Assembling the DC Input Power Cable CAUTION: Before connecting safety ground or power cables to the connector, ensure that the power is removed from the DC circuit. To ensure that the power is off, locate the circuit breaker on the DC source circuit. Switch the circuit breaker to the off position and, if available, install an approved safety locking device to the circuit breaker or switch, to prevent against another person energizing the circuit.
Assembling and Connecting the Safety Ground Wire 1 Strip the insulation from the end of the green/yellow wire, exposing approximately 4.5 mm (0.175 inches) of copper wire. 2 Using a hand-crimping tool, crimp the ring-tongue terminal to the green/yellow wire. 3 Connect the safety ground to the grounding post on the back of the system using a #8-32 nut equipped with a locking washer (see Figure 1-2).
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Dell™ PowerEdge™ 2950 系统 有关 -48 VDC 电源设备的 布线说明 w w w . d e l l . c o m | s u p p o r t . d e l l . c o m...