As service providers upgrade aging 10G DWDM infrastructure, AddOn’s QSFP28 100G DCO transceiver family continues to expand with variants including CTEMP, ITEMP, AutoTune, High Tx, and the newly added ITEMP CMIS option—delivering enhanced performance, wider temperature support, and simplified deployment.
Building on the success of our original 100G DCO solution, these solutions support legacy QSFP28 switch ports via SFF-8636 while maintaining up to 80km reach and adding advanced tuning and CMIS capabilities for faster, more flexible integration.
Now available, the QSFP28 100G DCO ZR ITEMP CMIS enables modern CMIS-based management while preserving interoperability with legacy environments, offering a cost-effective alternative to 400G only solutions.
QSFP28 100G DCO Product Variants

Features & Benefits:
- Up to 80km transmission for DWDM networks without additional amplification.
- Multiple variants available including ITEMP, CTEMP, AutoTune, and High Tx options for flexible deployment across diverse environments.
- Compatible with multiple OEM platforms for seamless integration.
- In-stock availability and fast shipping from U.S. and U.K. locations.
- Lifetime warranty for lasting reliability and performance assurance.
