Package Contents
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| UniFi Switch |
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| Mounting Screws (Qty. 2) |
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| Screw Anchors (Qty. 2) |
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| Power Adapter* |
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| Power Cord* |
* Included only in the single-pack of the device
System Requirements
- Linux, Mac OS X, or Microsoft Windows 7/8/10
- Java Runtime Environment 1.8 or above recommended
- Web Browser: Google Chrome (Other browsers may have limited functionality)
- UniFi Network Application v5.3.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. |
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Hardware Overview
Front Panel
 System LED |
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Click here for detailed descriptions. |
 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) |
48V (2-pair) PoE output is Off by default. Enabling PoE output (via the UniFi Network Application) requires 24W input power via PoE In or DC input. |
 RJ45 (Ports 1 - 8) |
RJ45 ports support 10/100/1000 Ethernet connections. |
Top Panel
PoE LED (Port 8) |
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Off |
PoE Disabled |
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Amber |
48V Passive PoE |
RJ45 Speed/Link/Act LED (Ports 1 - 8) |
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Off |
No Link |
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Amber |
Link Established at 10/100 Mbps Flashing Indicates Activity |
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Green |
Link Established at 1 Gbps Flashing Indicates Activity |
Back Panel
 Ground |
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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:
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Hardware Installation
Wall Mounting (Optional)
Grounding (Recommended)
The UniFi Switch is grounded through the Power Adapter. When powering the switch with PoE, ground the device by connecting the ancillary ground.
- Loosen the ground screw and secure a ground wire (not included) to the grounding point.
- Secure the other end of the ground wire to a grounding block or other grounded structure.
Connecting Power
OR
Connecting Ethernet
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WARNING: Before enabling PoE passthrough in the UniFi Network Application, ensure that the connected PoE device supports the PoE power (48V). |
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WARNING: When both PoE In and DC Input are connected, the highest voltage power of the two will immediately pass through to PoE Out (if enabled). |
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Specifications
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US-8 |
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Dimensions |
148 x 99.5 x 30.7 mm |
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Weight |
432 g (15.24 oz) |
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Networking Interfaces |
(8) 10/100/1000 Mbps RJ45 Ports |
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PoE In (Port 1) |
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| PoE Mode 1 | 802.3af/at (Pins 1, 2+; 3, 6-) |
| PoE Mode 2 | 48V (Pins 4, 5+; 7, 8-) |
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PoE Out (Port 8) |
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| PoE Mode 1 | 48V (Pins 1, 2+; 3, 6-) |
| PoE Mode 2 | Passive 48V (Pins 4, 5+; 7, 8-) |
| DC Input Mode | DC Passthrough (Pins 1, 2+; 3, 6-) |
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Power Method |
(1) DC 48V, Max. 1.25A (1) PoE Input, 802.3af/at (Pins 1, 2+; 3, 6-) |
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Power Supply |
External AC/DC Adapter*: 100-240VAC, 50/60 Hz; 48V, 0.5A |
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Max. Power Consumption |
12W (Excluding PoE Output) |
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Max. Passive PoE Wattage per Port |
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| PoE Mode 1 | 12W @ 802.3at |
| PoE Mode 2 | 12W @ 48V |
| DC Input Mode | 12W @ 48V |
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Passive PoE Voltage Range |
Depends on Power Source |
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Line Rate |
8 Gbps, Non-Blocking |
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LEDs |
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| System | Status |
| RJ45 Data Ports | PoE; Link/Speed/Activity |
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ESD/EMP Protection |
± 24kV Air, ± 24kV Contact |
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Operating Temperature |
-5 to 45° C (23 to 113° F) |
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Operating Humidity |
5 to 95% Noncondensing |
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Certifications |
CE, FCC, IC |
* Included only in the single-pack of the device.