4-Port Optical Line Terminal


Configuring a fiber network just became as easy as setting up a smartphone. Say goodbye to command lines, manuals, and paid support licenses. Introducing the UFiber OLT 4 – a fiber solution that anyone can deploy.



  • 4-Port GPON Optical Line Terminal
  • 4 Gigabit Passive Optical Network Ports
  • Supports up to 512 Clients (128 per PON Port)
  • Up to 2.488 Gbps TX and 1.244 Gbps RX
  • One 1G/10G SFP+ Ethernet Ports
  • Flexible Layer 2/3 Management Features
  • Ethernet port for management
  • Console serial port for management
  • 24V DC Input Option (Redundant or Stand-Alone)



U Fiber Optical Line Terminal (OLT) 4


Pack Includes:

  • 1 x Ubiquiti Fiber Optical Line Terminal (OLT) 4
  • 2 x Rack Mounting Brackets
  • 8 x Bracket Screws
  • 4 x Screws
  • 4 x Cage Nuts
  • 1 x SC/UPC GPON SFP Transceiver (UF-GP-B+)
  • 1 x Power Cord
  • 4 x Rubber Feet
  • Quick Start Guide

U Fiber Optical Line Terminal (OLT) 4 - Specifications

Dimensions 299.8 X 258.95 X 42.55 mm
Weight 1930g (without hangers) 
2130g (with hangers)
Enclosure Characteristics SGCC steel
Processor MIPS 1004Kc 880 Mhz dual core
Memory 512 Mbyte DDR3, 512M Byte NAND
Management Interface (1) Ethernet out-of-band management 
(1) Ethernet in-band management 
(1) RJ45 Serial Console Port
Networking Interface (4) GPON OLT SFP 
(1) 10 Gbps SFP+
Buttons (1) Reset, Press 5 seconds - Reset to default
LEDs/Display (1) Power: Blue/White 
Blinking Blue: reset to default
Steady Blue: system is booting
Steady White: service is ready
Steady/Blinking white : GPON link/activity 
(1) SFP+ Ethernet: White(10G) Green(1G), steady on after link is up, blinking while activity 
(1) Ethernet RJ45 Out-of-band Management: Green(1G), steady on after link is up, blinking while activity
Power Method 100-240VAC/50-60 Hz universal input / 25VDC
Power Supply AC/DC internal 56W DC / DC barrel jack connector
Supported Voltage Range AC input: 100 to 240 VAC / 25 to 16VDC
Max. Power Consumption 35W (Excluding SFP modules)
Operating Temperature -10 to 45°C (14 to 113°F)
Operating Humidity 10% to 90% Non-Condensing
Mode OLT 2/3 Ethertnet Switch and GPON Core
Advanced QoS Support 8 priority queues per user port and traffic classification
Concurrent Clients 512 ONUs/ONTs registered
Ubiquiti Specific Features UBNT Discovery and UBNT mcagent
Minimum Software Requirements Any Modern Web Browser

Shipping Specifications

Model # UF-OLT-4
Barcode # 8.18E+11
Brand Ubiquiti
Shipping Weight 4.9000kg
Shipping Width 0.390m
Shipping Height 0.098m
Shipping Length 0.585m
Shipping Cubic 0.022359000m3
Unit Of Measure ea

U Fiber Optical Line Terminal (OLT) 4 - Documents

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