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Dell Networking N20xx and N30xx Series Switch

Installation Guide

Regulatory Model: N20xx, N30xx

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Notes, cautions, and warnings

NOTE: A NOTE indicates important information that helps you make better use of your product.

CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the problem.

WARNING: A WARNING indicates a potential for property damage, personal injury, or death.

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2016 - 12

Rev. A00

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About this Guide

This document is intended as an installation guide to get new systems up and running and ready for configuration.

You can use a Dell N20xx or N30xx either as a switch or a port extender for a C9010 switch. You can use the N20xx or N30xx series

devices as a switch if you use the Dell Networking OS version 6.3(0.16) or later. If you use a N20xx or N30xx series device as a port

extender for the C9010, install the Dell Networking OS version 9.11(0.0) or later. For converting the switch, purchase a rapid access node

conversion license from Dell. For more information about installing the Dell Networking OS version 9.11(0.0) or version 6.3(0.16) on an

N20xx or N30xx system, see the Dell Networking OS Conversion Guide for the N20xx/N30xx Series.

For complete installation, configuration, and update information, see the following documents at www.dell.com/support.

Table 1. N20xx/N30xx Documentation

Information Documentation

Software configuration •Dell Networking Configuration Guide for the C9000 Series—for

Dell Networking OS 9.11(0.0) or later

•Dell Networking N-Series User Guide—for Dell Networking OS

6.3(0.16)

Command-line interface •Dell Networking Command-Line Reference Guide for the

C9000 Series—for Dell Networking OS 9.11(0.0) or later

•Dell Networking CLI Reference Guide—for Dell Networking OS

6.3(0.16)

Installing Dell Networking OS version 9.11(0.0) or version 6.3(0.16)

on an N20xx or N30xx system

Dell Networking OS Conversion Guide for the N20xx/N30xx Series

Latest updates Dell Networking C9010, C1048P, and N20xx/N30xx Series Release

Notes

About this Guide 3

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N20xx Series Overview

The Dell N20xx switches are stackable Layer 2 Gigabit Ethernet switches and include the following models:

• Dell N2024

• Dell N2024P

• Dell N2048

• Dell N2048P

N20xx Series Hardware Overview

This section contains information about device characteristics and modular hardware configurations for the N20xx Series switches.

All N20xx non-power over Ethernet (PoE) models are 1U, rack-mountable switches with the following physical dimensions:

• 440.0 x 257.0 x 43.5 mm (W x D x H).

• 17.3 x 10.1 x 1.7 inches (W x D x H).

All N20xx PoE models are 1U, rack-mountable switches with the following physical dimensions:

• 440.0 x 387.0 x 43.5 mm (W x D x H).

• 17.3 x 15.2 x 1.7 inches (W x D x H).

Other characteristics:

PSU handle length—1.25 inches

Stacking cable length—2.5 inches

N20xx Series I/O-Side

The following images show the I/O-side of the switch models in the N20xx Series.

Figure 1. N2048 Series with 48 10/100/1000BASE-T Ports

4 N20xx Series Overview

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1 Console Port

2 USB Port

3 SFP+ Ports

4 48 10/100/1000BASE-T Ports

Figure 2. N2024 Close-up

1 Console Port

2 USB Port

3 Reset Button

4 SFP+ Ports

The N20xx I/O-side has status light emitting diodes (LEDs) for overtemperature alarm, internal power, and status on the top row. The

bottom row of the status LEDs display the stack master, redundant power supply (RPS) status, and fan alarm status.

N20xx Series Overview 5

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Figure 3. N2024P Close-up

1 Console Port

2 USB Port

3 Reset Button

4 SFP+ Ports

The N20xxP I/O-side has status LEDs for the overtemperature alarm, internal power, and status on the top row. The bottom row of the

status LEDs display the stack master, modular power supply units (MPS) status, and fan alarm status.

Switch Ports

The N2024/N2024P I/O-side provides 24 Gigabit Ethernet (10/100/1000BASE-T) RJ-45 ports that support autonegotiation for speed,

flow control, and duplex. The N2024/N2024P models support two SFP+ 10G ports. Dell-qualified SFP+ transceivers are sold separately.

The N2048/N2048P I/O-side provides 48 Gigabit Ethernet (10BASE-T, 100BASE-TX, 1000BASE-T) RJ-45 ports that support

autonegotiation for speed, flow control, and duplex. The N2048/N2048P support two SFP+ 10G ports. Dell-qualified SFP+ transceivers

are sold separately.

The front-panel switch ports have the following characteristics:

• The switch automatically detects the difference between crossed and straight-through cables on RJ-45 ports and automatically

chooses the MDI or MDIX configuration to match the other end.

• SFP ports support Dell-qualified transceivers.

• RJ-45 ports support full-duplex mode 10/100/1000 Mbps speeds on standard Category 5 UTP cable.

• SFP+ ports support SFP+ transceivers and SFP+ copper twin-ax technology plus SFP transceivers operating at 1G.

• The N2024P/N2048P I/O-side ports support PoE (15.4W) and PoE+ (30W).

6N20xx Series Overview

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Console Port

The console port provides serial communication capabilities, which allows communication using the RS-232 protocol. The serial port

provides a direct connection to the switch and allows access to the command line interface (CLI) from a console terminal connected to

the port through the provided serial cable.

The console port is separately configurable and can run as an asynchronous link from 1,200 baud to 115,200 baud.

The Dell CLI only supports changing the speed. The defaults are 9600 baud rate, 8 data bits, No Parity, 1 Stop Bit, No Flow Control.

USB Port

The Type-A, female USB port supports a universal serial bus (USB) 2.0-compliant flash memory drive. The Dell Networking switch can

read or write to a flash drive formatted as FAT-32. You can use a USB flash drive to copy switch configuration files and images between

the USB flash drive and the switch. You can also use the USB flash drive to move and copy configuration files and images from one switch

to other switches in the network.

The USB port does not support any other type of USB device.

Reset Button

The reset button is accessed through the pinhole and allows you to perform a hard reset on the switch. To use the reset button, insert an

unbent paper clip or similar tool into the pinhole. When the switch completes the boot process after the reset, it resumes operation with

the most recently saved configuration. Any changes made to the running configuration that were not saved to the startup configuration

prior to the reset are lost.

Port and System LEDs

The I/O-side contains LED that indicate the status of port links, power supplies, fans, stacking, and the overall system status.

Stack Master LED and Stack Number Display

When a switch within a stack is the master unit, the stack master LED, which is labeled M, is solid green. If the M LED is off, the stack

member is not the master unit. The Stack No. panel displays the unit number for the stack member. If a switch is not part of a stack (in

other words, it is a stack of one switch), the M LED is lit, and the unit number displays.

N20xx Series Overview 7

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N20xx Series PSU-Side

The following image shows the PSU-side of the N20xx switches.

Figure 4. N20xx PSU-Side

1 Mini-SAS stacking ports

2 Fan Vents

3 To DC Power Source (Optional)

4 AC Power Receptacle

The term mini-SAS refers to the stacking port cable connections. For information about using the mini-SAS ports to connect switches, see

the Stacking Multiple N20xx Switches section.

Figure 5. N2048 Mini-SAS Stacking Ports Close-up

8N20xx Series Overview

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1 Mini-SAS stacking ports

Power Supplies - N2024 and N2048

N2024 and N2048 switches have an internal 100-watt power supply. The additional redundant power supply (Dell Networking RPS720)

provides 180 watts of power and gives full redundancy for the switch.

Power Supplies - N2024P and N2048P

Dell Networking N2024P and N2048P switches have an internal 1000-watt power supply feeding up to 24 PoE devices at full PoE+ power

(850W). An additional external power supply (MPS1000) provides 1000 watts and gives full power coverage for all 48 PoE devices

(1800W).

NOTE: PoE power is dynamically allocated. Not all ports require the full PoE+ power.

CAUTION: Remove the power cable from the power supplies prior to removing the power supply module itself. You must not

connect power prior to insertion in the chassis.

Ventilation System

Two fans cool the N20xx switches.

N20xx Model Summary

Table 2. N20xx Model Summary

Marketing Model Name Description Power Supply Unit Regulatory Model

Number Regulatory Type

Number

N2024 24x1G/2x10G SFP+/2x

Stacking

100W E04W E04W001

N2024P 24x1G/2x10G SFP+/2x

Stacking/24x PoE+ Ports

1000W E05W E05W001

N2048 48x1G/2x10G SFP+/2x

Stacking

100W E04W E04W002

N2048P 48x1G/2x10G SFP+/2x

Stacking/48x PoE+ Ports

1000W E05W E05W002

N20xx Series Overview 9

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N20xx Series Installation

You can mount the N20xx Series switches in a standard 48.26 cm (19-inch) rack or placed on a flat surface.

Make sure that the installation location meets the following site requirements:

• Power — The switch is installed near an easily accessible 100–240 VAC, 50–60 Hz outlet.

• Clearance — There is adequate front and rear clearance for operator access. Allow clearance for cabling, power connections, and

ventilation.

• Cabling — The cabling is routed to avoid sources of electrical noise such as radio transmitters, broadcast amplifiers, power lines, and

fluorescent lighting fixtures.

• Ambient Temperature — The ambient switch operating temperature range is 0 to 45ºC (32 to 113ºF) at a relative humidity of up to 95

percent, non-condensing.

NOTE: Decrease the maximum temperature by 1°C (1.8°F) per 300 m (985 ft.) above 900m (2955 ft.).

• Relative Humidity — The operating relative humidity is 8% to 85% (noncondensing) with a maximum humidity gradation of 10% per

hour.

Topics:

• Unpacking the N20xx Switch

• Rack Mounting an N20xx Switch

• Stacking on N20xx Series Switches

Unpacking the N20xx Switch

Package Contents

When unpacking each switch, make sure that the following items are included:

• One Dell Networking switch

• One RJ-45 to DB-9 female cable

• One rack-mount kit (N20xx) for rack installation, two mounting brackets, bolts, and cage nuts

• One set of self-adhesive rubber pads for the free-standing switch (four pads are included)

Unpacking Steps

NOTE: Before unpacking the switch, inspect the container and immediately report any evidence of damage.

1 Place the container on a clean, flat surface and cut all straps securing the container.

2 Open the container or remove the container top.

3 Carefully remove the switch from the container and place it on a secure and clean surface.

4 Remove all packing material.

5 Inspect the product and accessories for damage.

10 N20xx Series Installation

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