The TP-Link Gigabit SFP Module is a hot-swappable fiber transceiver that extends a Gigabit Ethernet connection over single-mode fiber optic cable. It plugs into a compatible SFP slot on a switch or media converter, allowing network links to reach distances well beyond what copper Ethernet cabling supports. The module uses an LC/UPC interface and is rated for runs of up to 10 kilometers.
What is this product?
This is a mini-GBIC style SFP transceiver module used to convert an SFP port’s electrical signal into an optical signal for transmission over single-mode fiber. It is inserted directly into a compatible switch or media converter’s SFP slot.
Key features and practical benefits
The module is built to extend Gigabit Ethernet reach while remaining compatible with common networking hardware.
1. Extended distance over fiber
Single-mode fiber support allows links of up to 10 kilometers, far beyond the roughly 100-meter limit of standard copper Ethernet.
2. Hot-swappable design
The module can be inserted or removed from a compatible SFP slot without powering down the host device.
3. Digital diagnostics monitoring
Built-in diagnostics support allows compatible management software to monitor signal strength and link health.
Common use-cases
This module is commonly used for building-to-building network links, campus networks, and other installations where the distance between switches exceeds copper Ethernet’s practical range. It also suits ISP-style last-mile connections that rely on fiber infrastructure.
Important specifications
Manufacturer specifications for this module include:
- Data rate: 1.25 Gbps
- Wavelength: 1310nm
- Connector: LC/UPC
- Fiber type: 9/125μm single-mode
- Max distance: 10 km
- Operating temperature: 0°C to 70°C
Practical considerations
This module requires an SFP-equipped switch or media converter and only works with matching single-mode fiber and connector types on both ends of the link.
1. Requires an SFP slot
This is not a standalone device; it must be installed in a switch or media converter that has a compatible SFP slot.
2. Fiber and connector matching
Single-mode fiber and LC/UPC connectors must be used on both ends of the link, since mismatched fiber types or connector polish will not function correctly.
3. Distance depends on conditions
Actual achievable distance can be affected by connector loss and fiber quality, even within the rated 10 km specification.
Who is this product best suited for?
This product is best suited for:
- Network installers connecting buildings or sites over fiber.
- Campus or multi-site networks needing distances beyond copper Ethernet limits.
- Users with existing SFP-equipped switches or media converters.
- Installations already using single-mode fiber with LC/UPC connectors.
It is a practical option for extending Gigabit connectivity over longer fiber runs where copper cabling is not feasible.
Final assessment
This SFP module provides a reliable way to extend Gigabit Ethernet over single-mode fiber for longer network runs. It performs well in its intended role, provided the host hardware and fiber infrastructure match its connector and fiber-type requirements.
Ready to Buy the TP-Link SFP Module?
If you need to extend a Gigabit link over single-mode fiber, this module is a practical option.