Ubiquiti USWLEAF Users Manual

48-Port 25 Gbps SFP28 and
6-Port 100 Gbps QSFP28
Data Center Access Switch

Model: USW-Leaf

• Package Contents

• Hardware Overview

• Installation Requirements

• Hardware Installation

• Connecting Power

• Connecting SFP28

• Initial Setup via Bluetooth

• UniFi Controller Software

• Specifications

• Safety Notices

• Electrical Safety Information

• Limited Warranty

• Compliance

• FCC

• WEEE Compliance Statement

• Declaration of Conformity

Package Contents

UniFi Switch Leaf

Rackmount Brackets

(Qty. 2)

Long Slide Rail Brackets

(Qty. 2)

Slide Rail Bracket

Screws (Qty. 4)

SFP28 (25G)

DAC Cable, 1 m

Bracket Screws

(Qty. 8)

Rail Mounting
Screws (Qty. 4)

Power Cords

Mounting Screws

(Qty. 4)

Short Slide Rail Brackets

Square Hole

(Qty. 2)

(Qty. 2)

Washers

(Qty. 4)

Rubber Feet

(Qty. 4)

Cage Nuts

(Qty. 4)

System Requirements

21 354

• Linux, MacOSX, or Microsoft Windows 7/8/10

• Java Runtime Environment 1.6 (1.8 or newer recommended)

• Web Browser: Google Chrome (Other browsers may have
limited functionality.)

• UniFi Controller software v5.12.x (or newer), available at:

ui.com/download/unifi

IMPORTANT: We strongly recommend using UPS backup

and power regulation to prevent equipment damage due
to stability issues with local AC power.

Hardware Overview

1

Touchscreen Display

State Status

Bootup
Animation

Steady White Factory defaults, waiting for adoption.

Steady Blue Successfully adopted by a network and

Location
Animation

Initializing.

working properly.

This indicates that you clicked Locate
in the UniFi Controller software. The
software will also display the location of

the device on themap.

76

Port LEDs

2

SFP28

10G/25G
Link/Activity

LED (Ports
1 - 48)

3

QSFP28

40G/100G
Link/Activity

LED (Ports
49 - 54)

Ports

Port Description

4

QSFP28

40G/100G

(Ports 49

- 54)

5

SFP28

10G/25G

(Ports 1 - 48)

State Status

Off No Link

White

Off No Link

White

QSFP28 ports support 40/100Gbps

connections. These are the supported
connection types:

• Optical transceivers QSFP28 (40G/100G)

• Direct Attach Cable (DAC) QSFP28

SFP28 ports support 10/25Gbps

connections. These are the supported
connection types:

• Optical transceivers SFP28 (10G/25G)

• Direct Attach Cable (DAC) SFP28

Link Established at 10/25 Gbps

Flashing Indicates Activity

Link Established at 40/100 Gbps

Flashing Indicates Activity

(40G/100G)

(10G/25G)

Reset and Console

8

Button Description

6

Reset Button

7

USB Console
Port

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 five seconds.

The USB Type C console port is for CLI
management, which is also available via SSH
after initial network settings are configured
via USB. For more information, go to:

help.ui.com

Note: You have two management

options:

• UniFi Controller Software

• CLI
You cannot use both simultaneously;

otherwise, changes may not be
implemented properly.

Back Panel

Item Description

8

PSU (Ports
1 - 2)

The 1+1 redundant power ports have
dual power supplies built in. Connect the
included Power Cords to the Power ports.

Installation Requirements

• Phillips screwdriver

• Standard-sized, 19" wide, four-post rack with a minimum of
1U height available

Hardware Installation

The USW-Leaf has airflow ventilation from front to rear. Orient
the rear panel towards the hot aisle.

1.

OR

2.