Overview
The Ubiquiti UISP-FIBER-XG Fiber XG is an XG-PON optical network unit designed for fiber-to-premises deployments. It provides a 10 Gbps downstream and 2.5 Gbps upstream non-blocking line rate, with a physical optical reach of up to 20 km.
Fiber Connectivity
The Fiber XG uses an SC/APC ITU-G.987 XG-PON WAN interface. Its optical module operates at 1,270 nm transmit and 1,577 nm receive wavelengths, with a specified physical reach of up to 20 km.
Ethernet Connectivity
A single RJ45 LAN interface supports 100 Mbps, 1 Gbps, and 2.5 Gbps Ethernet. The interface provides the local network connection for downstream customer equipment.
Power and Installation
Fiber XG can be powered through USB-C at 5V DC or through 24V passive PoE. The supported passive PoE voltage range is 10–30V DC, while maximum power consumption is 6W.
Key Features
- XG-PON optical network unit with SC/APC WAN interface
- 9.95 Gbps downstream and 2.44 Gbps upstream non-blocking line rate
- 2.5 GbE RJ45 LAN interface
- Up to 20 km physical fiber reach
- USB-C or 24V passive PoE power options
Deployment Applications
The UISP-FIBER-XG is intended for XG-PON customer-premises deployments where high-speed optical access is converted to Ethernet. It can be used in fiber broadband and ISP access networks with compatible XG-PON infrastructure.
DC Supplies Product Note
For deployment planning, verify that the upstream optical infrastructure supports ITU-G.987 XG-PON and that SC/APC fiber connectivity is available. The 2.5 GbE LAN port should also be paired with compatible cabling and network equipment when the deployment requires more than 1 Gbps Ethernet.
Specifications
| Brand | Ubiquiti |
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| Part Number / MPN | UISP-FIBER-XG |
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| Product Type | XG-PON Optical Network Unit |
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| WAN Interface | 1 × SC/APC, ITU-G.987 XG-PON |
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| LAN Interface | 1 × 100/1,000/2,500 MbE RJ45 |
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| Downstream Line Rate | 9.95 Gbps |
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| Upstream Line Rate | 2.44 Gbps |
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| Physical Fiber Reach | 20 km |
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| Optical TX Wavelength | 1,270 nm |
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| Optical RX Wavelength | 1,577 nm |
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| Normal TX Range | 2 to 7 dBm |
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| Normal RX Range | -9 to -27 dBm |
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| Power Methods | USB-C 5V DC, 3A; 24V passive PoE |
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| Passive PoE Voltage Range | 10–30V DC |
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| Maximum Power Consumption | 6W |
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| Memory | 256 MB DDR |
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| Onboard Flash Storage | 32 MB NOR |
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| Management | Ethernet in-band |
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| Enclosure Material | UV-stabilized polycarbonate |
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| Operating Temperature | -15°C to 45°C (5°F to 113°F) |
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| Operating Humidity | 10–95% non-condensing |
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| Certifications | CE, FCC, IC |
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| NDAA Compliant | Yes |
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FAQs
What is the UISP-FIBER-XG?
It is an XG-PON optical network unit that converts an XG-PON fiber connection to Ethernet for customer-premises networking.
What speeds does Fiber XG support?
Ubiquiti specifies a 9.95 Gbps downstream and 2.44 Gbps upstream non-blocking line rate, with a 2.5 GbE maximum Ethernet LAN interface.
What is the maximum fiber distance?
The specified physical optical reach is up to 20 km.
How can the Fiber XG be powered?
It supports USB-C 5V DC power and 24V passive PoE. Passive PoE is supported across a 10–30V DC range.
What fiber connector does it use?
The WAN interface uses an SC/APC connector for ITU-G.987 XG-PON.
