D-Link DGS-1250-28X - Rear Panel Components

DGS-1250 Series Gigabit Ethernet Smart Managed Switch Hardware Installation Guide
10
LED Description
Fan Error
This LED will light solid red when the fan fails.
This LED will be off when the fan is operating normally.
PWR Max.
(DGS-1250-28XMP and DGS-
1250-52XMP Only)
This LED will light solid red when the power supplied to attached PDs exceeds the
maximum PoE budget.
This LED will blink red when the power supplied to attached PDs approaches the
maximum PoE budget (within 7 Watts) and enters the Guardband mode.
This LED will be off when no power is supplied to attached PDs or when no PDs
are attached.
Link/Act LEDs
The Switch has LED indicators for Link and Activity.
RJ45 Ports: This LED will light solid green when there is a connection (or link) to
a 1000 Mbps Ethernet device or solid amber when there is a connection (or link)
to a 10/100 Mbps Ethernet device on any of the RJ45 ports. The LED will blink
green when a 1000 Mbps port is active or blink amber when a 10/100 Mbps port is
active. The LED will be off when there is no link or activity.
SFP/SFP+ Ports: This LED will light solid green when there is a connection (or
link) to a 10 Gbps Ethernet device or solid amber when there is a connection (or
link) to a 1 Gbps Ethernet device at any at any of the SFP/SFP+ ports. The LED
will blink green when a 10 Gbps port is active or blink amber when a 1 Gbps port
is active. The LED will be off when there is no link or activity.
PoE
(DGS-1250-28XMP and DGS-
1250-52XMP Only)
This LED will light solid green when the corresponding ports are feeding power to
the PoE devices plugged in.
This LED will light solid amber when the port is in an error condition state.
This LED will be off when the ports are not supplying power to the devices
plugged into the ports.
Please refer to the “LED Indicators” section in the Appendix A - Technical Specifications for more LED information.
Rear Panel Components
The rear panel of this switch features a security lock, a GND, an AC power connector, and a power cord retainer hole.
Figure 1-9 Rear panel view of the DGS-1250-28X
Figure 1-10 Rear panel view of the DGS-1250-28XMP
Figure 1-11 Rear panel view of the DGS-1250-52X