Ubiquiti UniFi Switch - USW-48-POE
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Product Information
Full details
The Ubiquiti UniFi USW-48-POE is a high-performance, managed Layer 2 switch designed for IT professionals and enterprise environments requiring reliable connectivity for large-scale deployments. It provides 48 Gigabit Ethernet ports with robust Power over Ethernet (PoE+) support, making it an ideal choice for powering access points, IP cameras, and VoIP phones across a facility. While the switch offers enterprise-grade management through the UniFi Network Controller, users should note that its configuration requires familiarity with the UniFi software ecosystem to fully leverage its advanced feature set.
All features
| Series | UniFi Switch |
|---|---|
| Model Part Number | USW-48-POE |
| Brand | Ubiquiti |
Extended Product Information
FAQs
Does this switch support PoE on all 48 ports?
The USW-48-POE features 32 auto-sensing 802.3at PoE+ ports.
Can I use this switch without the UniFi Controller?
The switch requires the UniFi Controller for initial adoption and advanced configuration, though it will continue to pass traffic if the controller goes offline.
What is the maximum PoE output per port?
Each PoE+ port can deliver up to 32W of power, provided the total switch power budget is not exceeded.
Is this switch rack-mountable?
Yes, it is designed for a standard 1U rack-mount installation.
Does the switch support fiber uplinks?
Yes, it includes 4 SFP ports for Gigabit fiber connectivity.
Can I mirror traffic for network monitoring?
Yes, the switch supports port mirroring configuration through the UniFi Network Controller.
Troubleshooting
Device not detected by UniFi Controller
Ensure the switch is on the same Layer 2 segment as the controller or configured with the correct Inform URL.
PoE device not powering on
Check the port configuration in the controller to ensure PoE is enabled for that specific port and verify the device does not exceed the total power budget.
Touch screen is unresponsive or blank
Perform a soft reboot of the switch via the controller or check for firmware updates.
Pros and Cons
Pros
- Comprehensive PoE+ support for powering a wide array of peripherals
- Intuitive GUI-based management through UniFi Network Controller
- High port density suitable for medium-to-large business networks
- Integrated touch LCD screen for instant troubleshooting status
- Robust metal construction for rack-mount durability
Cons
- Requires active UniFi Network Controller for full feature access
- Learning curve for those unfamiliar with UniFi software
- No 10GbE SFP+ ports for ultra-high-speed fiber uplinks
Setup, Compatibility & Care
Setup:
- Mount the switch into a standard 19-inch server rack using the included rack ears.
- Connect the power cable to a reliable source (100-240V).
- Connect your primary network gateway or router to one of the SFP or RJ45 ports.
- Access the UniFi Network Controller from your PC or mobile app to adopt the switch into your network topology.
Compatibility:
- Compatible with all standard RJ45 Ethernet devices (10/100/1000 Mbps).
- Supports IEEE 802.3af and 802.3at PoE+ standards.
- Managed via UniFi Controller software or mobile app.
Care:
- Ensure proper airflow within the server rack; keep the front and rear vents clear of obstructions.
- Maintain an operating environment between -5°C and 40°C.
- Periodically inspect ports for dust and ensure patch cables are properly seated to prevent link flapping.