UBIQUITI US-24-250W Managed PoE Gigabit 24 Port UniFi Switch User Guide

: June 4, 2024
: UBIQUITI

Table of Contents

UBIQUITI US-24-250W Managed PoE Gigabit 24 Port UniFi Switch
Package Contents
Installation Requirements
Hardware Overview
Hardware Installation
Connecting Ethernet
Software Installation
Specifications
Documents / Resources

UBIQUITI US-24-250W Managed PoE Gigabit 24 Port UniFi Switch

Package Contents

UniFi Switch
Power Cord
Mounting Screws (Qty. 4)
Cage Nuts (Qty. 4)

Installation Requirements

Phillips screwdriver
Standard-sized, 19” wide rack with a minimum of 1U height available
For indoor applications, use Category 5 (or above) UTP cabling approved for indoor use.
For outdoor applications, shielded Category 5 (or above) cabling should be used for all wired Ethernet connections and should be grounded through the AC ground of the power supply.

We recommend that you protect your networks from harmful outdoor environments and destructive ESD events with industrial-grade, shielded Ethernet cable from Ubiquiti. For more details, visit: ui.com/toughcable

Note : Although the cabling can be located outdoors, the UniFi Switch itself should be housed inside a protective enclosure.
IMPORTANT : We strongly recommend using UPS backup and power regulation to prevent equipment damage due to stability issues with local AC power.

System Requirements

Linux, Mac OS X, or Microsoft Windows 7/8/10
Java Runtime Environment 1.6 (1.8 or newer recommended)
Web Browser: Mozilla Firefox, Google Chrome, Microsoft Edge, or Microsoft Internet Explorer 11
UniFi Controller v5.4.x or higher

Hardware Overview

System LED

Flashing Indicates Activity

Green

| Link Established at 1000 Mbps

Flashing Indicates Activity

Oﬀ	No Link
Green	Link Established at 1 Gbps

Flashing Indicates Activity

RJ45 (Ports 1 – 24)
RJ45 ports support Power over Ethernet (PoE) and 10/100/1000 Ethernet connections.
SFP (Ports 1 – 2)
Hot-swappable SFP ports support 1 Gbps connections.
Reset Button
This button serves two functions for the UniFi Switch:

Restart Press and release the Reset button quickly.
Restore to Factory Default Settings Press and hold the Reset button for more than ve seconds.

Console Port

RJ45 serial console port for Command Line Interface (CLI) management. Use an RJ45- to-DB9, serial console cable, also known as a rollover cable, to connect the Console port to your computer. Then con gure the following settings as needed:

Baud rate 115200
Data bits 8
Parity NONE
Stop bits 1
Flow control NONE

Power Port

Hardware Installation

Connecting Ethernet

Using SFP Ports

For information about compatible fiber SFP modules, visit: community.ubnt.com/unifi

Software Installation

Download and install the latest version of the UniFi Controller software at ui.com/download/unifi and follow the on-screen instructions.

Note : If you already have UniFi Controller v5.4.x or higher installed, go to the section, Adopting the UniFi Switch.

After you have installed the software and run the UniFi Installation Wizard, a login screen will appear for the UniFi Controller management interface. Enter the username and password that you created and click Sign In.

You can manage your network and view network statistics using the UniFi Controller management interface. To adopt the UniFi Switch, proceed to the section, Adopting the UniFi Switch. For information on configuring and using the UniFi Controller software, refer to the User Guide on the website: ui.com/download/unifi

Adopting the UniFi Switch

From the UniFi Controller dashboard, click Devices in the left menu bar.
Locate the UniFi Switch in the list of devices under the Model column. Click Adopt.
The System LED on the UniFi Switch will turn blue to confirm that it has been successfully adopted.
To configure PoE settings, proceed to the section, Configuring PoE Settings.

Configuring PoE Settings

On the Devices screen, locate the UniFi Switch. Click the switch to access its settings.
Click the Ports tab.
Click Actions for the port you want to configure.
Select the appropriate PoE setting: Oﬀ, 24V Passive, or PoE+. Then click Apply.

For more information, refer to the User Guide on the website: ui.com/download/unifi

Specifications

US-24-250W/US-24-500W

Dimensions| 485 x 43.7 x 285.4 mm (19.09 x 1.72 x 11.24″)
US-24-250W US-24-500W| 4.7 kg (10.4 lb)

4.8 kg (10.6 lb)

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Total Non-Blocking Line Rate| 26 Gbps
Max. Power Consumption

US-24-250W

US-24-500W

| 250W

500W

Power Method| 100-240VAC/50-60 Hz, Universal Input
Power Supply US-24-250W US-24-500W| AC/DC, Internal, 250W DC AC/DC, Internal, 500W DC
Rack-Mount| Yes, 1U High
ESD/EMP Protection| Air: ± 24 kV, Contact: ± 24 kV
Shock and Vibration| ETSI300-019-1.4 Standard
LEDs Per Port RJ45 Data Ports SFP Data Ports| PoE, Speed/Link/Activity

Speed/Link/Activity

Interfaces

Networking Interfaces

Management Interface

| (24) 10/100/1000 Mbps RJ45 Ethernet Ports

(2) 1 Gbps SFP Ethernet Ports

(1) RJ45 Serial Port Out-of-Band, Ethernet In-Band

Operating Temperature| -5 to 40° C (23 to 104° F)
Operating Humidity| 5 to 95% Noncondensing
Certifications| CE, FCC, IC
PoE Per Port

PoE Interfaces| PoE+ IEEE 802.3af/at (Pins 1, 2+; 3, 6-)
Max. PoE+ Wattage per Port by PSE| 34.2W
Voltage Range 802.3at Mode| 50–57V

Safety Notices

Read, follow, and keep these instructions.
Heed all warnings.
Only use attachments/accessories specified by the manufacturer.

WARNING:

Failure to provide proper ventilation may cause öre hazard. Keep at least 20 mm of clearance next to the ventilation holes for adequate airflow.
Do not use this product in location that can be submerged by water.
Avoid using this product during an electrical storm. There may be a remote risk of electric shock from lightning.

Electrical Safety Information

Compliance is required with respect to voltage, frequency, and current requirements indicated on the manufacturer’s label. Connection to a diﬀerent power source than those specified may result in improper operation, damage to the equipment or pose a fire hazard if the limitations are not followed.
There are no operator serviceable parts inside this equipment. Service should be provided only by a qualified service technician.
This equipment is provided with a detachable power cord which has an integral safety ground wire intended for connection to a grounded safety outlet.
Do not substitute the power cord with one that is not the provided approved type. Never use an adapter plug to connect to a 2-wire outlet as this will defeat the continuity of the grounding wire.
The equipment requires the use of the ground wire as a part of the safety certification, modification or misuse can provide a shock hazard that can result in serious injury or death.
Contact a qualified electrician or the manufacturer if there are questions about the installation prior to connecting the equipment.
Protective earthing is provided by Listed AC adapter. Building installation shall provide appropriate short-circuit backup protection.
Protective bonding must be installed in accordance with local national wiring rules and regulations.

Limited Warranty
ui.com/support/warranty
The limited warranty requires the use of arbitration to resolve disputes on an individual basis, and, where applicable, specify arbitration instead of jury trials or class actions.

Compliance
FCC

Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.

This device may not cause harmful interference, and
This device must accept any interference received, including interference that may cause undesired operation.

This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmful interference to radio communications. Operations of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense.

ISED Canada : CAN ICES-3(A)/NMB-3(A)
Australia and New Zealand
Warning: This equipment is compliant with Class A of CISPR 32. In a residential environment this equipment may cause radio interference.

CE Marking
CE marking on this product represents the product is in compliance with all directives that are applicable to it.

WEEE Compliance Statement
Declaration of Conformity
Online Resources

Documents / Resources

| UBIQUITI US-24-250W Managed PoE Gigabit 24 Port UniFi Switch [pdf] User Guide
US-24-250W, US-24-500W, Managed PoE Gigabit 24 Port UniFi Switch, US-24-250W Managed PoE Gigabit 24 Port UniFi Switch, 24 Port UniFi Switch, UniFi Switch, Switch
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