Optical QSFP Transceiver BlueOptics BO25K13630D 40GBASE-ER4L 30 km

BlueOptics BO25K13630D is an optical QSFP transceiver module designed for 40GBASE-ER4L Ethernet links with a multimode-compatible single-mode fiber reach of up to 30 km. The module provides four independent 10 Gbit/s lanes aggregated to a 40 Gbit/s QSFP interface, enabling high-bandwidth, low-latency fiber connections for long-distance network links. It is intended for QSFP ports in switches, routers and media converters where secure, high-speed optical transmission is required.

Advantages

The transceiver supports long-reach 40GBASE-ER4L operation with wavelength-division multiplexed four-lane output, reducing the need for multiple separate fibre links. It conforms to QSFP form-factor electrical and optical interfaces for straightforward hot-plug installation and interoperability with compatible networking equipment. Built for stable single-mode transmission over distances up to 30 km, the module helps maintain consistent throughput and low latency across data center interconnects and metro links.

Suitable for

• Data center interconnects and campus backbone links
• Metro Ethernet and long-distance carrier connections
• Enterprise backbone links requiring 40 Gbit/s fiber
• Upgrading QSFP-enabled switches and routers to extended reach

Key specifications

• Interface: QSFP (Quad Small Form-factor Pluggable)
• Standard: 40GBASE-ER4L
• Aggregate data rate: 40 Gbit/s (4 × 10 Gbit/s lanes)
• Maximum reach: up to 30 km over single-mode fiber
• Optical type: single-mode, four-wavelength lanes (ER4L)
• Form factor: hot-pluggable QSFP module
• Typical use: long-reach Ethernet links and metro interconnects

How to use

Install the QSFP transceiver into a compatible QSFP slot on a switch, router or media converter while the host port is powered according to the equipment vendor's hot-plug guidance. Connect appropriate single-mode fiber with compatible connectors and ensure correct fiber routing and polarity. Verify the host device recognises the module and configure the port for 40G operation or 4 × 10G lanes as required. Monitor link status and optical power levels via the host system to confirm proper operation.

Recommendations

Use single-mode fiber rated for long-reach transmission and maintain clean connector endfaces to prevent signal degradation. Match transceiver lane configuration and wavelength compatibility with existing optical equipment, and follow equipment vendor guidance for transceiver compatibility and firmware recommendations. For critical links, monitor optical power and error counters and perform periodic maintenance to ensure sustained 30 km performance.