Ubiquiti UniFi SWITCH 48 Manuale utente
Managed PoE+ Gigabit
Switch with SFP+
Models: US-48-500W, US-48-750W
Introduction
Thank you for purchasing the Ubiquiti Networks® UniFi®
Switch. This Quick Start Guide is designed to guide you
through the installation and also includes the warranty terms.
Package Contents
UniFi Switch
ManagedPoE+ Gigabit
Switchwith SFP+
Models:US-48-500W, US-48-750W
Power Cord Mounting Screws
(Qty. 4)
Cage Nuts
(Qty. 4)
Quick Start
Guide
System Requirements
• Linux, MacOSX, 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 v4.3.x or higher
TERMS OF USE: All Ethernet cabling runs must use CAT6. It is the customer’s responsibility to
follow local country regulations and indoor cabling requirements.
Network Topology Requirements
• A DHCP-enabled network for the UniFi Switch to obtain an
IPaddress (connected devices will also obtain IP addresses
after deployment)
• A UniFi Cloud Key or management station running the UniFi
Controller software, located either on-site and connected to
the same Layer2 network, or off-site in a cloud or NOC
UAP-IW
US-48-500W
USG-PRO-4
(DHCP Server)
Internet
UAP-AC-PRO
UAP-AC-PRO-O
UAP-AC-LR
LAN
WAN
UniFi Cloud Key
(UniFi Controller)
Remote Access to
UniFi Controller
Sample Network Diagram
All UniFi devices support off-site management controllers.
For setup details, refer to the User Guide on the website:
documentation.ubnt.com/unifi
Hardware Overview
Front Panel System LED
System
State Status
White Factory defaults, waiting for integration.
Flashing White Initializing.
Alternating
White/Blue
Device is busy; do not use or unplug it.
This usually indicates that a process such
as a firmware upgrade is taking place.
Blue Successfully integrated into a network
and working properly.
Flashing Blue
This is used to locate a device.
When you click Locate in the UniFi
Controller software, the System LED will
flash blue. The software will also display
the location of the UniFi Switch on the
map.
Front Panel Port LEDs
RJ45: PoE RJ45: Speed/Link/Act
SFP: Speed/Link/Act
SFP+: Speed/Link/Act
LED State Status
RJ45 1-48
PoE
Off No PoE
Amber IEEE 802.3af/802.3at
Green 24V Passive
Speed/
Link/
Act
Off No Link
Amber
Link Established at
10/100Mbps
Flashing Indicates Activity
Green
Link Established at
1000Mbps
Flashing Indicates Activity
SFP+ 1-2
Speed/
Link/
Act
Off No Link
Green Link Established at 1Gbps
Flashing Indicates Activity
White
Link Established at
10Gbps
Flashing Indicates Activity
SFP 1-2
Speed/
Link/
Act
Off No Link
Green Link Established at 1Gbps
Flashing Indicates Activity
Front Panel Ports
RJ45 1-48
SFP 1-2
SFP+ 1-2
Port Description
RJ45 1-48 RJ45 ports support Power over Ethernet (PoE)
and 10/100/1000 Ethernet connections.
SFP+ 1-2 Hot-swappable SFP+ ports support
1/10Gbps connections.
SFP 1-2 Hot-swappable SFP ports support 1 Gbps
connections.
Front Panel Button
Reset
Button Description
Reset
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.
*640-00116-05*
640-00116-05
Back Panel
CONSOLE
Mounting Holes
Power
Mounting Holes
Console
Note: The Console port is reserved for future use.
Side Panels
Ventilation Holes
Fans
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 Networks. For more details, visit: www.ubnt.com/
toughcable
Note: Although the cabling can be located outdoors,
the UniFi Switch itself should be housed inside a
protective enclosure.
Hardware Installation
WARNING: FAILURE TO PROVIDE PROPER VENTILATION
MAY CAUSE FIRE HAZARD. KEEP AT LEAST 20 MM OF
CLEARANCE NEXT TO THE VENTILATION HOLES FOR
ADEQUATE AIRFLOW.
WARNING: To reduce the risk of fire or electric shock, do
not expose the UniFi Switch to rain or moisture.
1. Connect the Power Cord to the Power port of the
UniFiSwitch.
2. Attach the UniFi Switch to the rack using the four Mounting
Screws. (If the rack has square slots, then use the Cage Nuts
with the Mounting Screws.)
3. Connect the other end of the Power Cord to a power outlet.
Connecting Ethernet
1. Connect an Ethernet cable from your computer or host
system to any port of the UniFi Switch.
2. Connect Ethernet cables from the Ethernet ports of your
devices to the other numbered ports of the UniFi Switch.
Note: The PoE settings for ports 1-48 are set to
auto-sensing PoE+ by default, so 802.3af/at devices
can be plugged in and automatically receive PoE. For
instructions on how to enable 24V passive PoE, refer
to the Configuring PoE Settings section.
Using SFP+ and SFP Ports
These ports support the specified module types at the
following speeds:
Ports SFP+ Module Type SFP Module Type
SFP+ 1-2 10 Gbps 1 Gbps
SFP 1-2 (Not supported) 1 Gbps
To use an SFP+ or SFP port:
1. Remove the protective plug covering the SFP port.
2. Plug a compatible fiber module into the SFP port.
3. Connect a fiber optic cable to the fiber module. Then
connect the other end of the cable to another fiber device.
50
For information about compatible fiber SFP modules, visit:
community.ubnt.com/unifi
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