100G QSFP28 ZR4 BiDi 80km Optical Transceiver 1310nm PAM4 LC for Single Mode Fiber

• Supports 100Gbps high-speed optical transmission over single-mode fiber
• Long transmission distance up to 80km using G.652 SMF
• QSFP28 hot-pluggable form factor for easy network deployment and maintenance
• Uses LAN-WDM EML laser technology for enhanced long-distance optical performance
• Integrated PIN receiver with SOA for improved receiver sensitivity
• Supports 100G PAM4 optical modulation technology
• BiDi optical architecture helps optimize fiber utilization in long-haul networks
• Four-channel CDR integrated on both transmitter and receiver paths for improved signal integrity

• 100GBASE-ZR4 Ethernet networks
• Long-distance data center interconnection
• Metro optical transport networks
• Telecom backbone and aggregation networks
• Optical transport equipment and OTN systems
• High-performance computing (HPC) interconnects
• Data center to data center connectivity
• InfiniBand QDR/DDR networking applications

FiberMania provides OEM and customized optical transceiver solutions for telecom operators, system integrators, and enterprise network customers. Customization options include firmware programming, equipment compatibility optimization, label and packaging customization, EEPROM configuration, temperature grade selection, and performance testing according to customer requirements.

For large-scale deployments, we can provide customized solutions for specific network platforms, including compatibility testing with major switch and transmission equipment vendors. Our engineering team supports application-specific requirements to ensure reliable integration into existing 100G Ethernet and optical transport systems.

What is the difference between 100G QSFP28 ZR4 and ER4 transceivers?

The main difference is transmission distance. QSFP28 ER4 modules are typically designed for links up to around 40km, while QSFP28 ZR4 modules extend transmission reach up to 80km. ZR4 solutions require enhanced optical components such as higher-performance transmitters and receivers to maintain signal quality over longer distances.

Does this 100G QSFP28 ZR4 BiDi module require two fibers for transmission?

The BiDi architecture is designed to improve fiber utilization by enabling bidirectional optical transmission over optimized fiber infrastructure. However, the exact fiber configuration depends on the module design and matching optical components used at both ends of the link.

What type of fiber should be used with this 80km transceiver?

This transceiver is optimized for G.652 single-mode fiber (SMF), which is widely deployed in telecom and long-distance optical networks. Proper fiber quality and link loss budgeting are important to achieve the full 80km transmission distance.

Can this module be used for OTU4 transmission?

Yes. The QSFP28 ZR4 BiDi transceiver supports OTU4 applications and can be deployed in optical transport equipment requiring 100G-class long-distance connectivity.

Why does the module use PAM4 modulation technology?

PAM4 modulation allows higher data transmission efficiency by carrying multiple bits per symbol, enabling 100Gbps optical transmission with improved bandwidth utilization compared with traditional NRZ modulation technologies.