Dell PowerEdge 750 Manuel d'utilisateur télécharger pdf (Page 9)

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Table 1-1. Front-Panel LED Indicators

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Connecting External Devices

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When connecting external devices to your system, follow these guidelines:

l Most devices must be connected to a specific connector and device drivers must be installed before the device operates properly. (Device drivers are

normally included with your operating system software or with the device itself.) Check the documentation that accompanied the device for specific

installation and configuration instructions.

l Always attach external devices while your system is turned off. Next, turn on any external devices before turning on the system (unless the

documentation for the device specifies otherwise). If the system does not appear to recognize the device, try turning on the system before turning on

the device.

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For information about individual connectors, see "I/O Connectors" in your Installation and Troubleshooting Guide. For information about enabling, disabling, and

configuring I/O ports and connectors, see "Using the System Setup Program."

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Back-Panel Features

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Figure1-2 shows the back-panel features of the system.

Figure 1-2. Back-Panel Features

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LED Indicator

Description

Blue/amber system status

indicator

The blue system status indicator lights up during normal system operation. You can also use the systems management

software to cause this indicator to flash to identify a particular system.

The amber system status indicator flashes when the system needs attention due to a system problem.

Hard-drive indicator

The green hard-driveactivityindicatorflasheswhentheharddrivesareinuse.

NIC1 and NIC2 link

indicators

 The indicators for the two integrated network adapters light if the network adapters are connected to the network.

Power indicator

The green indicator in the center of the power button flashes if AC power is available to the system, but the system is not

powered on.

Thegreenindicatorisonwhenthesystemispoweredon.

If the system is not connected to AC power, the green indicator is off.

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Dell PowerEdge 750 Manuel d'utilisateur Page 9

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