SFP transceiver module BlueOptics SFP-1G20BLC-BO Fiber optic 20000 m

The BlueOptics SFP-1G20BLC-BO is a single-mode fiber optic SFP transceiver module designed for 1.25 Gbps optical links with a reach of up to 20,000 m. Housed in an aluminium enclosure and weighing approximately 20 g, this SFP module uses an LC simplex connector and implements a bi-directional (BX) wavelength pair for transmit and receive on a single fiber. The module is suitable for integration into network equipment that follows MSA SFP standards and supports digital diagnostics for real-time monitoring when the host hardware provides DDM/DOM support.

Advantages

This BlueOptics SFP module provides long-distance single-mode transmission performance up to 20 km while maintaining a compact SFP form factor and aluminium housing for mechanical stability and heat dissipation. The module supports standard 1000BASE-BX-D optical signalling with separate transmit and receive wavelengths, enabling duplex communication over a single fiber. Built to MSA guidelines, it offers interoperability with hardware platforms that accept SFP modules and can provide digital diagnostics for monitoring supply voltage, laser bias, transmit output power, receive input power and temperature.

Suitable for

• Long-distance fiber connections between switches and routers (up to 20 km)
• Inter-building metro links and campus backbone segments
• Fiber uplinks for storage systems, load balancers and core network devices
• Environments requiring single-fiber duplex links using LC simplex connectors

Key specifications

• Form factor: SFP (Small Form-factor Pluggable)
• Data rate: 1.25 Gbps (1000BASE-Modes)
• Optical type: Single-mode fiber (SMF)
• Maximum reach: up to 20,000 m (20 km)
• Connector: LC simplex
• Wavelength: bi-directional pair (separate Tx/Rx wavelengths for BX operation)
• Housing material: aluminium
• Weight: ~0.02 kg
• Digital diagnostics: DDM/DOM support (requires host hardware support)

How to use

Insert the BlueOptics SFP-1G20BLC-BO into the SFP slot of a compatible switch, router or optical interface module following the host device instructions for hot-plugging. Connect an LC simplex single-mode patch cable between this transceiver and the remote transceiver ensuring correct fiber polarity for BX single-fiber operation. Verify link status through the host device; if DDM/DOM is supported, read diagnostic values for power, bias current and temperature to confirm proper operation. Follow standard handling precautions for optical transceivers—avoid touching the optical interface and protect connectors with caps when not in use.

Usage recommendations

Choose high-quality single-mode LC simplex patch cords and maintain clean connector end-faces to achieve optimal range and signal quality. Ensure the host hardware officially supports single-fiber BX modules and the required wavelengths to guarantee interoperability. Use DDM/DOM monitoring where available to track link health and schedule preventive maintenance based on reported optical parameters.