•Always attach an external device while your system and the device are turned off. Next, turn on any external devices before turning on the system (unless the documentation for the device specifies otherwise).
See "Using the System Setup Program" on page 27 for information about enabling, disabling, and configuring I/O ports and connectors.
NIC Indicator Codes
The NIC on the back panel has an indicator that provides information on network activity and link status. See Figure
Figure 1-3. NIC Indicators
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1 link indicator | 2 | activity indicator |
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Indicator Type | Indicator Code | Description |
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Activity | Off | When off at the same time that the link indicator is off, |
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| the NIC is not connected to the network or the NIC is |
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| System Setup Program" on page 27. |
| Blinking | Indicates that network data is being sent or received. |
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Link | Off | When off at the same time that the activity indicator is |
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| off, the NIC is not connected to the network or the NIC is |
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| disabled in the System Setup program. See "Using the |
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| System Setup Program" on page 27. |
| Yellow |
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| Orange | |
| Green | |
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