Dell PowerConnect 3024 User Manual page 3

Front Panel Indicators
The front panel of the system contains the console port, all of the Ethernet ports, and the LEDs. As shown in the figure below, there are one system LED, two
LEDs for each Fast Ethernet port, and three LEDs for each Gigabit Ethernet port on the switch. The following sections describe the front panel in more detail.
Power LED
The power LED shows the general operating status of the system as reflected by the following indicators:
Off — The unit is off.
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Green — The unit is on and ready for operation.
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Yellow — The unit is in boot mode.
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Blinking Yellow — The unit fails during initialization.
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The normal sequence after power-on or system reset is Green (initialization success), Yellow (booting applications), and Green again (system ready).
Console Port
The console interface can be accessed from the RS232 serial port or a telnet connection. The console port uses a standard null-modem cable. For instructions
on configuring your switch using the console, see
Port LEDs
Two LEDs show the operating status of each Fast Ethernet port and three LEDs show the operating status of each Gigabit Ethernet port as reflected by the
indicators in each of the following sections:
Fast Ethernet Ports
Link Status and Activity (LINK/ACT)
Green — A 100-Mbps link is up and there is no activity.
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Blinking Green — A 100-Mbps link is up and there is activity.
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Yellow — A 10-Mbps link is up and there is no activity.
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Blinking Yellow — A 10-Mbps link is up and there is activity.
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Off — The link is down.
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Duplex Mode and Collisions (FULL/COL)
Green — A full-duplex link is up.
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Yellow — A half-duplex link is up and no collisions are occurring.
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Blinking Yellow — A half-duplex link is up and collisions are occurring.
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Off — The link is down.
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Gigabit Ethernet Ports
Gigabit Link Status and Activity (GIGA)
Green — A 1000-Mbps link is up and there is no activity.
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Blinking Green — A 1000-Mbps link is up and there is activity.
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Off — A 10/100-Mbps link is up or the link is down.
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10/100-Mbps Link Status and Activity (LINK/ACT)
Green — A 100-Mbps link is up and there is no activity.
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Blinking Green — A 100-Mbps link is up and there is activity.
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Yellow — A 10-Mbps link is up and there is no activity.
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Blinking Yellow — A 10-Mbps link is up and there is activity.
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Off — The link is down.
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Duplex Mode and Collisions (FULL/COL)
Green — A full-duplex link is up.
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Yellow — A half-duplex link is up and no collisions are occurring.
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Blinking Yellow — A half-duplex link is up and collisions are occurring.
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"Console Interface."