Cisco QSFP-100G-ZR4-S Compatible 100GBASE-ZR4 QSFP28 1310nm 80km OS2 DOM Duplex LC SMF Optical Transceiver Module

For inter-city and cross-border 100G links, the ZR4 offers a cost-effective alternative to dedicated DWDM systems, working directly in standard QSFP28 ports.
Operating in the 1310nm window with a duplex LC interface, the module complies with SFF-8665, SFF-8636 and the relevant QSFP28 MSA documents, exposing full digital diagnostics over I2C for per-lane monitoring.
100G QSFP28 ZR4 Features
- Coded for Cisco QSFP-100G-ZR4-S
- No external amplification needed
- Serialized individual test data
- Commercial temperature operation
- Alternative to DWDM transport shelves
- Carrier-grade reliability design
Typical Applications
- Carrier metro and regional cores
- Cross-border optical connections
- ISP long-reach aggregation
- Primary to DR site connectivity
Tanzania Fiber Optics delivers 100G QSFP28 ZR4 to Dar es Salaam, Dodoma, Mwanza, Arusha and telecom projects across East Africa.
