1. Introduction
This manual provides comprehensive instructions for the installation, operation, and maintenance of the Ubiquiti UniFi Switch Lite 8 PoE. This 8-port Gigabit switch features 4 PoE+ 802.3at ports, designed for managing networks efficiently within the UniFi ecosystem.

Figure 1: Ubiquiti UniFi Switch Lite 8 PoE. This image shows the compact white enclosure of the switch with its eight Ethernet ports visible on the front panel, along with LED indicators.
2. Safety Information
Please read and follow these safety guidelines to prevent damage to the device or injury to yourself.
- Ensure proper ventilation around the device to prevent overheating.
- Do not expose the device to water or excessive moisture.
- Use only the power adapter supplied by the manufacturer.
- Do not attempt to open or repair the device yourself. Refer all servicing to qualified personnel.
- Install the device in a stable location to prevent it from falling.
3. Package Contents
Verify that all items are present in your package:
- Ubiquiti UniFi Switch Lite 8 PoE (2-Pack)
- Power Adapter(s)
- Mounting Kit (if applicable)
- Quick Start Guide
Note: The specific contents may vary slightly based on the region or package version.
4. Product Overview
4.1 Front Panel

Figure 2: Front Panel of the UniFi Switch Lite 8 PoE. This image displays the eight Gigabit Ethernet ports, with the first four ports supporting PoE+. LED indicators for power, link/activity, and PoE status are visible on the right side.
The front panel of the UniFi Switch Lite 8 PoE features eight Gigabit Ethernet ports. Ports 1-4 support 802.3at PoE+ for powering compatible devices. Status LEDs provide visual feedback on power, link/activity, and PoE status for each port.
4.2 Rear Panel

Figure 3: Rear Panel of the UniFi Switch Lite 8 PoE. This image shows the 54VDC power input port located on the back of the device.
The rear panel contains the DC power input port for connecting the external power adapter.
4.3 Bottom Panel and Mounting

Figure 4: Bottom Panel of the UniFi Switch Lite 8 PoE. This image highlights the mounting slots and rubber feet on the underside of the switch, designed for various installation options.
The bottom panel includes mounting slots for wall or desk mounting, along with rubber feet for stable desktop placement. An optional mounting bracket may be included for specific installations.

Figure 5: UniFi Switch Lite 8 PoE with Mounting Bracket. This image illustrates how the optional mounting bracket attaches to the switch, facilitating secure installation.
5. Setup
5.1 Hardware Installation
- Placement: Choose a suitable location for the switch, ensuring adequate ventilation and proximity to network devices and a power outlet.
- Power Connection: Connect the supplied power adapter to the 54VDC input port on the rear of the switch, then plug the adapter into a power outlet.
- Network Connections:
- Connect your network's uplink (e.g., from a router or main switch) to any of the Gigabit Ethernet ports.
- Connect your network devices (e.g., computers, access points, IP cameras) to the remaining Ethernet ports.
- For devices requiring Power over Ethernet (PoE), connect them to ports 1-4.
5.2 Software Configuration (UniFi Controller)
The UniFi Switch Lite 8 PoE is managed by the UniFi Network Controller software. Ensure you have the latest version installed and running on a computer or UniFi Cloud Key.
- Launch UniFi Controller: Open your UniFi Network Controller. The switch should appear as a pending device in the "Devices" section.
- Adopt Device: Click on the switch in the "Devices" list and select "Adopt" to integrate it into your UniFi network.
- Configuration: Once adopted, you can configure port settings, VLANs, PoE settings, and monitor device status through the UniFi Controller interface.
For detailed software configuration, refer to the UniFi Network Controller documentation available on the Ubiquiti website.
6. Operating Instructions
Once installed and configured, the UniFi Switch Lite 8 PoE operates automatically. Key operational aspects are managed via the UniFi Network Controller.
- Network Management: Manage your entire network from a single control plane using the UniFi Controller.
- Monitoring: Monitor port status, data transfer rates, and PoE power consumption in real-time through the controller dashboard.
- Firmware Upgrades: Perform remote firmware upgrades directly from the UniFi Controller to ensure your switch has the latest features and security patches.
- User and Guest Management: Utilize the UniFi Controller for user and guest management, including guest portal and hotspot support.
7. Maintenance
Regular maintenance ensures optimal performance and longevity of your UniFi Switch Lite 8 PoE.
- Cleaning: Gently wipe the exterior of the switch with a soft, dry cloth. Do not use liquid cleaners or aerosols.
- Ventilation: Ensure that the ventilation openings are not obstructed by dust or debris. Periodically check and clean if necessary.
- Firmware Updates: Regularly check for and apply firmware updates via the UniFi Network Controller. These updates often include performance improvements and security enhancements.
- Environmental Conditions: Operate the switch within its specified temperature and humidity ranges to prevent damage.
8. Troubleshooting
This section addresses common issues you might encounter with your UniFi Switch Lite 8 PoE.
| Problem | Possible Cause | Solution |
|---|---|---|
| Switch not powering on | No power, faulty power adapter, or faulty outlet. | Check power cable connection. Verify power outlet is functional. Try a different power adapter if available. |
| Device not connecting to a port | Faulty Ethernet cable, incorrect port, or device issue. | Ensure Ethernet cable is securely connected. Try a different cable. Verify the connected device is functional. Check port status LEDs. |
| PoE device not receiving power | Device not PoE compatible, connected to non-PoE port, or exceeding power budget. | Ensure device is 802.3at compatible. Connect to ports 1-4. Check PoE power budget in UniFi Controller. |
| Switch not appearing in UniFi Controller | Network connectivity issue, firewall blocking, or controller discovery issue. | Ensure switch is powered on and connected to the same network as the controller. Check firewall settings. Try restarting the controller or switch. |
For further assistance, consult the Ubiquiti support resources online.
9. Specifications
| Feature | Detail |
|---|---|
| Model | USW-Lite-8-PoE |
| Dimensions | Approximately 10.28 x 7.8 x 4.09 inches (Package Dimensions) |
| Weight | 3 pounds |
| Enclosure Material | Plastic |
| Total Ports | 8 Gigabit Ethernet Ports |
| PoE+ Ports | 4 (802.3at) |
| Max. Power Consumption | 30 Watts |
| Data Transfer Rate | 1 Gigabits Per Second |
| Operating Temperature | Up to 40 Degrees Celsius |
| Compatible Devices | Desktop, Gaming console, Router, Printer, Laptop, Camera |
| UPC | 659459661173 |
10. Warranty and Support
For detailed warranty information and technical support, please refer to the official Ubiquiti Networks website or contact their customer service. Warranty terms and conditions may vary by region.
Official Support Link: https://www.ui.com/support





