D-Link DGS-3620-28PC Hardware Installation Guide - Page 14

Rear Panel Description, Power, Console, Stack ID, Link/Act LEDs - dgs 28tc

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xStack® DGS-3620 Series Layer 3 Managed Stackable Gigabit Switch Hardware Installation Guide Figure 1-12 LED indicators for a DGS-3620-52T Switch Figure 1-13 LED indicators for a DGS-3620-52P Switch LED Power Console RPS SD Stack ID Link/Act LEDs PoE Description This LED will light green after powering the Switch on to indicate the ready state of the device. The indicator is dark when the Switch is no longer receiving power (i.e. powered off). This LED will blink green during the Power-On Self Test (POST). When the POST is finished, the LED goes dark. The indicator will light steady green when a user is logged in through the console port. This LED will light green if the Redundant Powers Supply is in use. If the indicator is off, the RPS is not in use. When the switch detects that the RPS is connected, the light will be blinking. This LED will light green if a Secure Digital (SD) card is plugged in. When the Switch is reading or writing, the indicator will blink green. No light LED means there is no link. A solid red LED indicates SD card failure. For standalone Switches, this will display number "1". For stacked Switches, this indicates the position in the stacking box ID. The box ID is assigned either by the user (static mode) or by the system (automatic mode). When "1" to "12" is displayed, this indicates the stacking position of the switch. An "H" indicates the device was assigned as the stacking Master. "h" means the device was selected to be the Backup Master. A "G" is displayed when the Safeguard Engine feature enters the exhausted mode. The Switch has LED indicators for Link and Activity. The LED will light steady green when there is a secure connection (or link) to a 1000Mbps Ethernet device at any of the ports, or steady orange when there is a secure connection (or link) to a 10/100Mbps Ethernet device at any of the ports. The LED will blink green when a 1000Mbps port is active, or blink orange when a 10/100Mbps port is active. The LED remains dark when there is no link or activity. Only the DGS-3620-28PC and the DGS-3620-52P switches are equipt with a PoE LED. When this light is on with a solid green light, it means that the corresponding ports are feeding power to the PoE devices plugged in. When this light is on with a solid orange light, it means that the port is in an error condition state. When this light is off, it means that the ports are not supplying power to the devices plugged into the ports. For more information about LED Indicators, refer to LED Indicators. Rear Panel Description The rear panel contains an AC/DC power connector and an outlet for an external redundant power supply. Figure 1-14 Rear panel view of a DGS-3620-28TC Switch 14

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xStack
®
DGS-3620 Series Layer 3 Managed Stackable Gigabit Switch Hardware Installation Guide
14
Figure 1–12 LED indicators for a DGS-3620-52T Switch
Figure 1–13 LED indicators for a DGS-3620-52P Switch
LED
Description
Power
This LED will light green after powering the Switch on to indicate the ready state of the
device. The indicator is dark when the Switch is no longer receiving power (i.e. powered
off).
Console
This LED will blink green during the Power-On Self Test (POST). When the POST is
finished, the LED goes dark. The indicator will light steady green when a user is logged
in through the console port.
RPS
This LED will light green if the Redundant Powers Supply is in use. If the indicator is off,
the RPS is not in use. When the switch detects that the RPS is connected, the light will
be blinking.
SD
This LED will light green if a Secure Digital (SD) card is plugged in. When the Switch is
reading or writing, the indicator will blink green. No light LED means there is no link. A
solid red LED indicates SD card failure.
Stack ID
For standalone Switches, this will display number “1”. For stacked Switches, this
indicates the position in the stacking box ID. The box ID is assigned either by the user
(static mode) or by the system (automatic mode). When “1” to “12” is displayed, this
indicates the stacking position of the switch. An “H” indicates the device was assigned
as the stacking Master. “h“ means the device was selected to be the Backup Master. A
“G” is displayed when the Safeguard Engine feature enters the exhausted mode.
Link/Act LEDs
The Switch has LED indicators for Link and Activity. The LED will light steady green
when there is a secure connection (or link) to a 1000Mbps Ethernet device at any of the
ports, or steady orange when there is a secure connection (or link) to a 10/100Mbps
Ethernet device at any of the ports. The LED will blink green when a 1000Mbps port is
active, or blink orange when a 10/100Mbps port is active. The LED remains dark when
there is no link or activity.
PoE
Only the DGS-3620-28PC and the DGS-3620-52P switches are equipt with a PoE LED.
When this light is on with a solid green light, it means that the corresponding ports are
feeding power to the PoE devices plugged in. When this light is on with a solid orange
light, it means that the port is in an error condition state. When this light is off, it means
that the ports are not supplying power to the devices plugged into the ports.
For more information about LED Indicators, refer to
LED Indicators
.
Rear Panel Description
The rear panel contains an AC/DC power connector and an outlet for an external redundant power supply.
Figure 1–14 Rear panel view of a DGS-3620-28TC Switch