1.25 GBPS SM SF 20 km LC BIDI SFP Transceiver

1.25 Gbps SM SF 20 km LC BiDi SFP Transceiver – High-Speed, Single-Fiber Optical Connectivity

The 1.25 Gbps Single Mode Simplex LC BiDi SFP Transceiver is a compact, hot-pluggable optical transceiver designed to support Gigabit Ethernet, Fiber Channel, and other high-speed data communication applications. Engineered for bidirectional (BiDi) communication over a single-mode fiber (SMF), this module provides a reliable and cost-effective solution for long-distance fiber optic transmission. Using Wavelength Division Multiplexing (WDM) technology, it allows data to be transmitted and received simultaneously over a single fiber with the use of two different wavelengths—typically 1310nm/1550nm or vice versa.

Capable of transmitting data at speeds of 1.25 Gbps over distances of up to 20 kilometers, this SFP transceiver is ideal for enterprise networking, FTTx applications, metro networks, and data center connectivity where space, energy efficiency, and cost reduction are essential.

Key Features

✅ High-Speed Data Transmission

The module supports 1.25 Gbps of data throughput, complying with IEEE 802.3z standards for 1000BASE-BX Gigabit Ethernet. This makes it an excellent choice for businesses and service providers requiring high-speed and stable connectivity.

✅ BiDi WDM Technology

This SFP transceiver is equipped with bidirectional WDM technology, enabling full-duplex communication using a single strand of fiber. By operating on two different wavelengths—typically transmitting at 1310nm and receiving at 1550nm—it eliminates the need for dual fibers, simplifying infrastructure and reducing costs.

✅ Long-Distance Transmission (Up to 20 km)

With a reach of up to 20 kilometers on single-mode fiber, the transceiver is ideal for linking buildings across campuses, extending metropolitan area networks (MANs), or connecting remote locations without performance degradation.

✅ LC Simplex Connector

Fitted with a compact LC simplex connector, this transceiver ensures high-density installation in switches, routers, and other network devices. The LC connector offers secure, stable, and efficient fiber connection.

✅ Hot-Pluggable Design

As a hot-swappable device, the SFP module can be inserted or removed without shutting down the network equipment. This feature is especially useful for live networks requiring quick upgrades or replacements with minimal disruption.

✅ Digital Diagnostic Monitoring (DDM)

The transceiver supports DDM/DOM functions, offering real-time monitoring of parameters such as temperature, supply voltage, transmit/receive power, and laser bias current. This ensures proactive troubleshooting and reliable network performance.

✅ Energy Efficient

With low power consumption (typically <1W), the transceiver is optimized for energy efficiency and thermal performance, making it suitable for high-density deployments without excessive heat generation.

Applications

• FTTH/FTTB/FTTx
• Metro Ethernet Networks
• Enterprise LAN/WAN
• Data Center Interconnects
• Access and Aggregation Layers
• Campus and Building Networks
• Telecom Infrastructure

Technical Specifications

Advantages

• Cost-Efficient: Reduces fiber cable usage by half using BiDi transmission.
• Compact and Versatile: Suitable for all standard SFP slots in switches and routers.
• Stable Performance: Provides long-distance and high-speed transmission with low error rates.
• Future-Proof: Ideal for growing networks demanding higher speeds and longer reach.

Conclusion

The 1.25 Gbps SM SF 20 km LC BiDi SFP Transceiver is the perfect solution for businesses and service providers looking for a compact, power-efficient, and reliable SFP module for single-fiber long-distance communication. Its WDM-based BiDi design helps reduce cabling complexity and cost, while advanced diagnostics ensure ease of maintenance and monitoring. Whether you’re building a data center, expanding a fiber backbone, or deploying an FTTx network, this transceiver delivers robust performance, scalability, and affordability in one package.