Network transceiver BlueOptics QSFP Transceiver BO25K13630D 40GBASE-ER4L Singlemode 30 km

BlueOptics QSFP Transceiver BO25K13630D 40GBASE-ER4L Singlemode 30 km is an optical module designed for 40 Gbit/s point-to-point links over singlemode fiber. The QSFP form factor provides compact, hot-pluggable connectivity for compatible switches, routers and aggregation devices. With a reach of up to 30 km, this transceiver is intended for long-distance metro and campus links where stable 40G transmission and low footprint are required.

Advantages

The transceiver supports 40GBASE-ER4L signalling for extended-reach singlemode operation, enabling four-wavelength parallel transmission aggregated to 40 Gbit/s. Its QSFP footprint allows high port density in network equipment while remaining hot-swappable for minimal service disruption. The module is engineered for predictable optical performance across typical operating temperatures and provides an economical option for backbone links, interconnects and remote aggregation points.

Suitable for

• Long-distance connections in metro and campus networks
• Data center interconnects and backbone links
• Aggregation of high-bandwidth traffic between switches and routers
• Fiber optic upgrades where singlemode 30 km reach is required

Key specifications

• Data rate: 40 Gbit/s
• Standard: 40GBASE-ER4L
• Fiber type: singlemode
• Maximum reach: up to 30 km (singlemode, depending on fiber and link margin)
• Form factor: QSFP (quad small form-factor pluggable)
• Wavelength: four parallel lanes (WDM-based aggregation)
• Connector type: duplex LC or compatible singlemode interface (as supported by equipment)

How to use

Install the QSFP transceiver into a compatible QSFP slot on a switch, router or optical transponder while the device is powered on if the equipment supports hot-plug operation. Connect singlemode fiber with appropriate connector type and ensure correct fiber polarity and cleaning of end faces before insertion. Verify link status and optics diagnostics through the host device management interface and confirm that transceiver settings match the intended 40GBASE-ER4L operation and link parameters.

Recommendations

For reliable 30 km links, use ITU-T-compliant singlemode fiber with appropriate loss budget, keep fiber connectors clean, and confirm end-to-end power margin. Check compatibility lists of your network equipment vendor for QSFP modules and monitor transceiver diagnostics to detect changes in optical power or temperature that could affect link stability.