SFP transceiver module BlueOptics SFP-BXU34-20KM-QN-BO 1250 Mbit/s

The BlueOptics SFP-BXU34-20KM-QN-BO is a single-mode fiber optic SFP transceiver module designed for 1000BASE-BX-U applications with a maximum data rate of 1250 Mbit/s. The module features a metal housing in silver finish, an LC simplex optical connector, and a compact SFP form factor suitable for standard MSA-compliant SFP slots. It supports asymmetric wavelengths with a transmitter and receiver pair (1490 nm transmit / 1310 nm receive) over single-mode fiber and is specified for optical links up to 20 kilometers. The module includes digital diagnostics monitoring (DDM/DOM) support when the host hardware provides that interface and is engineered for long service life with a high MTBF.

Advantages

The module provides interoperability with MSA-compliant SFP ports and is manufactured to meet industrial quality standards for stable optical performance. Its metal housing and low weight contribute to mechanical durability and easy handling during installation. Support for DDM allows live monitoring of key parameters such as supply voltage, laser bias current, transmit power, receive power and temperature to simplify troubleshooting and maintenance. The transceiver is intended as a cost-effective compatible option for hardware platforms that accept the original module form factor and behavior.

Suitable for

Key specifications

How to use

Ensure the host device supports SFP 1000BASE-BX-U transceivers and, if monitoring is required, that the DDM/DOM interface is enabled. Carefully insert the transceiver into an empty SFP port until it latches; do not force the module. Connect an appropriate single-mode LC simplex patch cable to the module and the remote endpoint, observing correct polarity for simplex BX links. Power up the equipment and verify the link status via the host device management interface. If using DDM, check the real-time diagnostic parameters to confirm correct operating conditions.

Recommendations

Use high-quality single-mode fiber and LC simplex patch cords to achieve the specified 20 km range and minimize insertion loss. Verify compatibility with the specific switch, router or storage platform in advance and perform a link test after installation. For critical links, enable DDM monitoring and schedule periodic checks of optical power and temperature to detect gradual degradation.