Ubiquiti UniFi Cloud Key G2 User manual
Model: UCK-G2
Introduction
Thank you for purchasing the Ubiquiti Networks® UniFi® Cloud
Key Gen2. This Quick Start Guide is designed to guide you
through installation and also includes warrantyterms.
Package Contents
UniFi Cloud Key Gen2
System Requirements
• Mobile App: Latest version of the UniFi App (
App Store® and Google Play™).
• Web Browser: Latest Google Chrome browser (Other
browsers may have limited functionality.)
TERMS OF USE: All Ethernet cabling runs must use CAT5 (or above). It is the professional
installer’s responsibility to follow local country regulations, including operation within legal
frequency channels, output power, indoor cabling requirements, and Dynamic Frequency
Selection (DFS) requirements.
available on the
Network Topology Requirement
A DHCP-enabled network (for the UniFi Cloud Key to obtain
an IP address)
UniFi Cloud Key Gen2
(UniFi Controller)
US-16-150W
UAP-AC-HD UAP-AC-PRO
UAP-AC-M-PRO
LAN
USG-PRO-4
(DHCP Server)
WAN
Internet
Sample Network Diagram
Remote Access to
UniFi Controller
Hardware Overview
Top Panel
LED
LED
Color State Status
White Solid Device is ready to be configured
Blue Solid Device is configured and ready
Off/White/
Blue
Flashing Device is booting up
Heartbeat Firmware update in process
Flashing Main power has been lost and
Slow
Flashing
Flashing Device is in recovery mode.
Device is initializing/deinitializing
device is counting down.
If power is restored within 10
seconds, the device will return to
its previous state. If power is not
restored within 10 seconds, the
device will safely shutdown.
Client connected to device via
Bluetooth (BLE)
The LED will cycle through a pattern
at one-second intervals, between
off, white, and blue.
Front Panel
Icon Description
UniFi SDN Controller name
Current WAN bandwidth usage
Status of SDN Cloud Access
Number of managed UniFi Access Points
Number of client devices on the network
Back Panel
Reset Button
Power Button
USB Type-C
Power Port
Reset Button The Reset Button serves two functions:
• Restart Press and release the Reset button quickly.
• Restore to Factory Default Settings Press and hold the
Reset button for more than five seconds, until the status LED
begins flashing white.
Power Button
USB Type C Power Port Used for power if PoE is not available.
Quick Charge 2.0 or Quick Charge 3.0-compliant USB power
adapter is required.
microSD Slot Optional slot used for external backup
(microSD card not included).
Ethernet Port Connects to a gigabit switch port on your LAN.
Power can be provided by an 802.3af PoE switch, such as the
UniFi PoE Switch.
Press to turn the Cloud Key Gen 2 on or off.
microSD Slot
Ethernet Port
Side Panel
Rack-Mount
Notch
Rack-Mount Notch
docking bay of the optional Rackmount Accessory, model
CKG2-RM (sold separately). The Rackmount Accessory
you to install the Cloud Key Gen2 in a standard 19" rack.
Secures the Cloud Key Gen2 into the
allows
Bottom Panel
13-Pin
Connector
(Connector shown without protective film)
13-Pin Connector
Rackmount Accessory, model CKG2-RM (sold separately). The
CKG2-RM has a docking bay for the Cloud Key Gen2 and allows
you to install it in a standard 19" rack.
Connects the Cloud Key Gen2 to the optional
Hardware Installation
1 3 5 7 9 11 13 15 17 19 21 22
2 4 6 8 10 12 14 16 18 20 22 24
SFP1
SFP2
1 3 5 7 9 11 13 15 17 19 21 22
2 4 6 8 10 12 14 16 18 20 22 24
SFP1
SFP2
1. Connect an Ethernet cable (not included) to the Ethernet
Port.
2. Connect the other end of the Ethernet cable to a port on a
network switch, such as a UniFi PoE Switch.
Powering the UniFi Cloud Key
Use an 802.3af-compliant switch, such as a UniFi PoE Switch, or
a USB power source (not included).
UniFi Switch
The UniFi Cloud Key can be powered by a UniFi PoE Switch or
other 802.3af-compliant switch.
UniFi Switch Power Connection Diagram
Optional Rackmount Accessory
Note: If using the optional Rackmount Accessory (sold
separately), remove the protective film from the
Rackmount Connector before attaching to the rackmount.
There is an optional UniFi Rackmount Accessory (sold
separately) that can mount the Cloud Key Gen2 in a standard
19” rack.
Lock Tab
Docking
Bay
To install the Rackmount Accessory, follow these instructions:
1. Attach the Rackmount Accessory to the rack using four
Mounting Screws. (If the rack has square slots, then use
Cage Nuts with the Mounting Screws.)
2. Connect an Ethernet cable (not included) to the Ethernet
Port on the front of the Rackmount Accessory.
3. Connect the other end of the Ethernet cable to a port on a
compatible PoE switch, such as a UniFiPoE Switch.
4. Remove the pre-installed sticker from the 13-pin connector.
5. Insert the Cloud Key Gen2 into the docking bay once the
following three conditions are met:
a. The 13-pin connector is face up
b. The LCD screen is face forward
c. There is no Ethernet cable connected to the
Ethernet Port on the Cloud Key Gen2
Warning:
To prevent creating a loop or other
unfavorable behavior on the network, only one
Ethernet connection should be used. Do not use
the Ethernet port on the Cloud Key Gen2 and the
Rackmount Accessory simultaneously.
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