Transceiver CBO QSFP28-100G-LR4 100G LR4 Fiber Optic Module

The Transceiver CBO QSFP28-100G-LR4 100G LR4 Fiber Optic Module is a hot-pluggable QSFP28 transceiver designed for long-reach single-mode links. It implements 100 Gigabit Ethernet over LR4 wavelength-division multiplexing, providing four optical lanes in a compact form factor suitable for high-density data center and carrier applications. The module supports standard QSFP28 electrical and mechanical interfaces for use in compatible switches, routers and optical equipment.

Advantages

This 100G LR4 module offers long-reach single-mode transmission with LR4 WDM optics in a QSFP28 form factor, enabling high-density multi-lane connectivity while conserving port space. The hot-pluggable design simplifies installation and replacement without powering down systems. The module is engineered for interoperability with standard 100 Gigabit Ethernet equipment and supports high aggregate bandwidth for uplinks, aggregation and long-distance interconnects.

Suitable for

• Data center uplinks and spine-leaf interconnects
• Carrier transport and metro aggregation links
• Long-distance single-mode connections between sites
• High-density switch and router ports requiring 100G LR4 optics

Key specifications

• Form factor: QSFP28, hot-pluggable
• Data rate: 100 Gigabit Ethernet (aggregate over four lanes)
• Transmission type: LR4 wavelength-division multiplexing for single-mode fiber
• Reach: long-reach single-mode links (LR4-class distances over SMF)
• Interface: quad-lane electrical and optical connections compatible with QSFP28 ports
• Application: uplinks, aggregation, long-distance interconnects in data center and carrier networks

How to use

Insert the QSFP28 transceiver into a compatible QSFP28 port on a switch, router or optical card while the host system is powered according to vendor guidelines. Connect single-mode fiber cables to the module's LC-compatible optical interface using appropriate duplex or MPO fiber assemblies and ensure proper polishing and cleanliness of connectors. Verify link status and speed via the host device management interface and monitor optical parameters where supported.

Usage recommendations

Use this QSFP28 100G LR4 module with compliant single-mode fiber infrastructure and compatible QSFP28 ports. Maintain clean fiber connectors, follow ESD precautions during handling, and consult the network equipment vendor for any link compatibility or firmware requirements to ensure stable 100G LR4 operation.