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menuUSG-PRO-4 Quick Start Guide

Package Contents

UniFi Security Gateway Pro
Power Cord
Mounting Screws (Qty. 4)
Cage Nuts (Qty. 4)

Installation Requirements

Note: Although the cabling can be located outdoors, the UniFi Gateway itself should be housed inside a protective enclosure.

IMPORTANT: We strongly recommend using UPS backup and power regulation to prevent equipment damage due to stability issues with local AC power.

System Requirements

Hardware Overview

System LED

Click here for detailed descriptions.

Console Port

RJ45 serial console port for Command Line Interface (CLI) management. Use an RJ45-to-DB9 serial console cable, also known as a rollover cable, to connect the Console port to your computer. Then configure the following settings as needed:

  • Baud rate 115200
  • Data bits 8
  • Parity NONE
  • Stop bits 1
  • Flow control NONE

USB Port

Reserved for future use.

LAN / WAN / SFP Speed/Link/Act LED


No Link


Link Established at 10/100 Mbps

Flashing Indicates Activity


Link Established at 1000 Mbps

Flashing Indicates Activity

LAN (Ports 1 - 2)

RJ45 ports support 10/100/1000 Ethernet connections. By default, the LAN1 port is set to DHCP Server, and its IP address is

WAN (Ports 1 - 2)

RJ45 ports support 10/100/1000 Ethernet connections. A WAN port is active only if the corresponding SFP port is empty. By default, the WAN1 port is set to DHCP Client.

SFP (Ports 1 - 2)

SFP ports are hot-swappable and support 10/100/1000 fiber SFP modules. If an SFP module is plugged in, then the SFP port is active, and the corresponding WAN port is deactivated. By default, the SFP1 port is set to DHCP Client.

Reset Button

Resets to factory defaults. The UniFi Gateway should be running after bootup is complete. Press and hold the Reset button for about 10 seconds until the right LED on the WAN2 port starts flashing and then becomes solidly lit. After a few seconds, the LED will turn off, and the UniFi Gateway will automatically reboot.

Hardware Installation

  2. OR

Connecting Ethernet

Using SFP Ports

  1. Note: The corresponding WAN port will be deactivated.

For information about compatible fiber SFP modules, visit: community.ubnt.com/unifi




484 x 44 x 164 mm

(19.06 x 1.73 x 6.46")


2.30 kg

(5.07 lb)

Networking Interfaces


Serial Console Port (1) RJ45 Serial Port
Data Ports (2) 10/100/1000 RJ45 Ports
(2) 10/100/1000 RJ45/SFP Combination Ports

Max. Power Consumption


Power Supply

Internal AC/DC Power Adapter, 60W (24V, 2.5A)

Supported Voltage Range

110 - 240VAC



System Status
Data Ports Speed/Link/Activity

Layer 3 Forwarding Performance


Packet Size: 64 Bytes 2,400,000 pps
Packet Size: 512 Bytes or Larger 4 Gbps (Line Rate)


Dual-Core 1 GHz, MIPS64 with Hardware Acceleration for Packet Processing

System Memory


On-Board Flash Storage

4 GB



Operating Temperature

-10 to 45° C (14 to 113° F)

Operating Humidity

10 to 90% Noncondensing