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DGS-3130 Series Layer 3 Stackable Managed Switch Hardware Installation Guide
LED
PoE
Stack ID
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, a power cord retainer hole, and
an outlet for an external redundant power supply.
Components that can be found on the rear panel of this switch are listed in the table below.
Component
Security Lock
Switch GND
AC Power Connector
Power Cord Retainer Hole
Redundant Power Supply
Description
The LED at the right side indicates the status of PoE. 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 amber 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.
This 7-segment LED can display numbers from 1 to 9 and the following letters H,
h, E, and G. The stacking ID (1 to 9) can be assigned manually by the user or
automatically by the system.
The letter 'H' will be displayed if this switch is the master switch in the stack.
The letter 'h' will be displayed if this switch is the backup master switch in the
stack.
The letter 'E' will be displayed if there was an error in the system's self-test.
The letter 'G' will be displayed when the Safeguard engine entered the
exhausted mode.
Figure 2-11 Rear panel view of the DGS-3130-30PS
Description
Provide a Kensington-compatible security lock to be able to connect to a secure
immovable device. Insert the lock into the notch and turn the key to secure the
lock. The lock-and-cable apparatus should be purchased separately.
Use an electrical grounding wire and connect one end of the wire to the Switch
GND and the other end of the wire to an electrical grounding point most commonly
found on the Switch mounting rack itself.
The AC power cord with a three-pronged AC power connector can be plugged into
this receptacle to supply the Switch with 100-240 VAC power at 50-60 Hz.
The power cord retainer hole is used to insert the power cord retainer to secure
the AC power cord.
An optional external RPS can be plugged into the RPS port found on the rear
panel of switches in this series. When the internal power fails, this optional
external RPS will supply power to the Switch immediately and automatically.
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