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Ubiquiti WAN Switch is a device used to connect two UniFi Gateways in Shadow Mode to a single ISP connection. Shadow Mode increases the reliability of the entire network by allowing the use of two Gateways—one as the primary unit, and the other as the secondary unit. In the event of a failure (loss of connection) of the primary device, the secondary device takes over. Thanks to the use of VRRP (Virtual Router Redundancy Protocol) and firewall connection state tracking, switching between the primary and secondary devices is seamless and imperceptible to the user. The USW-WAN is equipped with three SFP+ (10 Gbps) slots: two are used to connect the Gateways, and the third to connect the ISP signal source. The chassis is designed for mounting in a 19" rack, with a height of 1U. Inside the enclosure, there are two integrated 36 W AC/DC power supplies, which can be connected to two independent power sources.
UniFi Switch for Shadow Mode Operation
The offered product is a switch designed to connect two UniFi Gateways operating in Shadow Mode. Shadow Mode is a special mode that increases the overall network reliability. It allows one Gateway to be configured as the master and the other as the secondary. In the event of a loss of connection with the master, the network is switched to the secondary device. This ensures that the entire system is prepared for a Gateway failure. Thanks to the use of VRRP (Virtual Router Redundancy Protocol) and firewall connection state tracking, switching between the devices is seamless and imperceptible to users.
With a single WAN Switch device, you can connect two Gateways to one ISP signal. If you are using two independent ISP services, you will need two WAN Switches. The graphic shows a network diagram with two ISP signals and two WAN Switches.


3 SFP+ Slots
The device is equipped with a total of 3 SFP+ slots, which can operate at 1 Gbps or 10 Gbps. One slot is used to connect the ISP signal, while the remaining two are used to connect the Gateways.
Two Integrated Power Supplies, 19" Rack-Mountable Enclosure
The enclosure is designed for installation in a 19" rack and has a height of 1U. Inside, there are two integrated 36 W AC power supplies. These power supplies operate redundantly—if one fails, the other seamlessly takes over. The device's maximum power consumption is 13 W.

Specifications
Ubiquiti USW-WAN | |
Overview | |
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Dimensions |
442.4 x 120 x 43.7 mm (17.4 x 4.72 x 1.7") |
Port Layout |
3x SFP+ slot (1 / 10 Gb/s) 1x 1G Ethernet port (10/100/1000 Mb/s) |
Redundancy | (2) AC inputs |
Form Factor | Rack mount (1U) |
Performance | |
Switching Capacity | 20 Gb/s |
Total Non-Blocking Throughput | 10 Gb/s |
Forwarding Rate | 15 Mp/s |
Hardware | |
Max. Power Consumption | 13 W |
Power Method | (2) Universal input, 100—240V AC, 50/60 Hz |
Power Input Method | AC |
Power Supply | (2) AC/DC, internal, 36W |
Supported Voltage Range | 100—240V AC |
Management | Ethernet |
Weight |
Without mounting brackets: 2.2 kg (4.85 lb) With mounting brackets: 2.3 kg (5.1 lb) |
Enclosure Material | SGCC steel |
Mount Material | SGCC steel |
ESD/EMP Protection | Air: ± 16kV, contact: ± 22kV |
Ambient Operating Temperature | -5° to 40°C |
Ambient Operating Humidity | 10 to 90% noncondensing |
LEDs |
Ethernet SFP+ System |
NDAA Compliant | Yes |
Software | |
Application Requirements | UniFi Network: Version 9.1.119 and later |