Rear Panel Led Indicators - D-Link DGS-1250 Series Hardware Installation Manual

DGS-1520 Series Gigabit Ethernet Smart Managed Switch Hardware Installation Guide
This following table lists the front panel components unique to the DGS-1520-52MP:
Port
Redundant Power Supply

Rear Panel LED Indicators

The rear panel LED indicators provide valuable information in a variety of ways like their color, blinking times, and
location.
The rear panel LED indicators (per device) are described in the following table:
LED
Link/Act
PD
Description
The RPS port can be used to connect an optional external load-sharing RPS to the
Switch. When the internal power fails, the external RPS will immediately supply
power to the Switch automatically.
Figure 2-13 DGS-1520-28/52 Rear Panel LED Indicators
Color Status
Green On (Solid)
On (Blinking)
Amber On (Solid)
On (Blinking)
Off Off
Green On (Solid)
Amber On (Solid)
Off Off
Description
Active connection at 1 Gbps through the MGMT port
Data transmitted and received through the MGMT port
Active connection at 10/100 Mbps through the MGMT
port
Data transmitted and received through the MGMT port
Inactive connection or no link present
Receiving DC power from PoH PSE connected to the
MGMT port
Normal MGMT connection active (no PoH supplied).
When a PSE is connected, this light indicates that a
power supply failure has occurred.
No PoH PSE or MGMT connection is present
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