QSFP Transceiver Module BlueOptics QSFP-40G-ESR4-QN-BO 40 Mbit/s 850 nm

The BlueOptics QSFP-40G-ESR4-QN-BO is a QSFP fiber optic transceiver module engineered for 40 Mbit/s data transmission over an 850 nm wavelength. Designed for multimode fiber links with an MPO/MTP connector, the module supports 40 Gigabit Ethernet applications across distances up to 300 m while remaining compact and lightweight at approximately 40 g. The device includes transmitter and receiver elements tuned to 850 nm and is built to industry MSA mechanical and electrical specifications for QSFP interoperability.

Advantages

This QSFP transceiver offers a compact form factor and a mean time between failures (MTBF) of 1,000,000 hours, providing extended operating life for installed optical links. Compliance with MSA standards and the use of quality components ensure interoperability with vendors' hardware that supports compatible QSFP modules. The MPO/MTP connector enables parallel multi-fiber connections suitable for short-reach multimode environments, and the module supports diagnostic monitoring when the host hardware provides DDM/DOM functionality.

Suitable for

• Short-reach 40 Gigabit Ethernet links over multimode fiber up to 300 m
• High-density switch and router ports that accept QSFP modules with MPO/MTP interfaces
• Data center uplinks, aggregation layers, and storage network interconnects requiring 40G connectivity

Key specifications

• Data rate: 40 Mbit/s
• Wavelength: 850 nm
• Maximum transfer distance: 300 m (multimode fiber)
• Connector type: MPO/MTP
• Interface type: 40 Gigabit Ethernet (QSFP form factor)
• Weight: ~0.04 kg
• MTBF: 1,000,000 hours

How to use

Install the transceiver into a compatible QSFP slot of a switch, router, or storage device that supports 40G QSFP modules. Connect an MPO/MTP multimode fiber patch cord between the module and the corresponding MPO/MTP port or patch panel. Ensure polarity and fiber type (multimode) match the link design. If available, enable and check Digital Diagnostic Monitoring (DDM/DOM) in the host device to monitor supply voltage, optical power and temperature parameters for ongoing link health information.

Recommendations

Verify hardware compatibility with your vendor’s list of supported QSFP modules before installation, use high-quality multimode MPO/MTP patch cords and patch panels to achieve specified distances, and confirm that the host device supports DDM/DOM if you require real-time diagnostic data.