Ubiquiti unifi switch 8 User manual
8-Port PoE-Powered Gigabit
Switch with PoE Passthrough
Model: US-8
Introduction
Thank you for purchasing the Ubiquiti Networks® UniFi® 8-Port
PoE-Powered Gigabit Switch with PoE Passthrough. This Quick
Start Guide is designed to guide you through the installation
and also includes the warranty terms.
Package Contents
UniFi Switch
Mounting Screws
(Qty. 2)
Screw Anchors
(Qty. 2)
8-Port PoE-Powered Gigabit
Switch with PoE Passthrough
Model: US-8
Power Adapter* Power Cord* Quick Start Guide
* Power Adapter and Power Cord are not included with US-8 5-Pack
System Requirements
• Linux, MacOSX, 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 v5.3.x (or newer), available at:
downloads.ubnt.com/unifi
TERMS OF USE: All Ethernet cabling runs must use CAT5 (or above). It is the customer’s
responsibility to follow local country regulations, including operation within legal frequency
channels, output power, indoor cabling requirements, and Dynamic Frequency Selection
(DFS) 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 v5.3 (or newer), located either on-site
and connected to the same Layer2 network, or off-site in a
cloud or NOC
US-8
USG-PRO-4
(DHCP Server)
Internet
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
Ports 1-8
PoE OutPoE In
Port Description
Ports 1-8 RJ45 ports support 10/100/1000 Ethernet
connections.
PoE In
(Port 1)
Supports 802.3af/at or 48V Passive PoE to
power the switch and can provide 48V (2-pair)
PoE passthrough to port 8.
PoE Out
(Port 8)
PoE output is Off by default. Enabling PoE
output requires 24W input power via PoE In or
DC input.
The UniFi Switch may be powered by PoE through the PoE In
port or by DC input using a 48V power adapter.
PoE can be enabled on the PoEOut port using the UniFi
Controller software. PoE passthrough supports 48V (2-pair).
Back Panel
Reset
Button
DC InGround
Port Description
Ground Ancillary grounding point for enhanced ESD
protection.
DC In To power the switch by DC input, connect a 48V
power adapter to the 48VDC port.
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 five
seconds.
LEDs
System
System LED
State Status
Flashing White Initializing.
Steady White Factory defaults, waiting for integration.
Alternating
White/Blue
Device is busy; do not touch or unplug it.
This usually indicates that a process such
as a firmware upgrade is taking place.
Steady 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 themap.
RJ45 LEDs
1 2 3 4 5 6 7 8
PoE
Link DOWN 10/100 1000
OFF 48V
PoE
Link/Speed/Activity
LED State Status
PoE
Off PoE Disabled
Amber 48V Passive PoE
Link/
Speed/
Activity
Off No Link
Amber Link Established at 10/100Mbps
Flashing Indicates Activity
Green Link Established at 1 Gbps
Flashing Indicates Activity
Side Panels
Ventilation Holes
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: The US-8 must not be stacked. Do not place it
on top of another switch. Do not place anything on top
of the US-8.
Hardware Installation
The UniFi Switch can be mounted on a vertical surface or
placed on a desktop. Follow the Wall Mounting instructions to
mount the switch using the included screws and anchors.
WARNING: To reduce the risk of fire or electric shock, do
not expose the switch to rain or moisture.
Wall Mounting
1. Drill two 6 mm holes set 73.5 mm apart.
73.5 mm
2. Insert a Screw Anchor into each hole, and fasten a Screw
into each anchor.
3. Leave a clearance of approximately 3mm between the
screw head and the wall.
3 mm
4. Mount the UniFi Switch by inserting the screw heads into
the mounting slots on the bottom of the switch. Then slide
the switch down to lock it in place.
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