Description H3C QSFP-100G-LR4L-WDM1300 Compatible is a 100G-CWDM4 QSFP28 module designed for 2km single-mode fiber links at 1310nm. It utilizes a duplex LC connector and supports DOM for enhanced network troubleshooting and monitoring. This transceiver provides a high-reliability 100GbE solution for H3C switches and routers.