Administrator Guide

Table Of Contents
154 Hardware Overview
CAUTION: Remove the power cable from the power supplies prior to removing
the power supply module itself. Power must not be connected prior to insertion in
the chassis.
Ventilation System
Two fans cool the Dell EMC Networking N3000 Series switches. The Dell
EMC Networking N3000 Series switches additionally have a fan in each
internal power supply. The Dell EMC Networking N3000 Series fan is field-
replaceable.
Information Tag
The back panel includes a slide-out label panel that contains system
information, such as the Service Tag, MAC address, and other information.
LED Definitions
This section describes the LEDs on the front and back panels of the switch.
Port LEDs
Each port on a Dell EMC Networking N3000 Series switch includes two
LEDs. One LED is on the left side of the port, and the second LED is on the
right side of the port. This section describes the LEDs on the switch ports.
100/1000/10000BASE-T Port LEDs
Each 100/1000/10000BASE-T port has two LEDs. Figure 3-23 illustrates the
100/1000/10000BASE-T port LEDs.
Figure 3-23. 100/1000/10000BASE-T Port LEDs
Link/SPD Activity