40G QSFP+ ER4 DML CWDM4 40km Transceivers
GIGALIGHT's 40G QSFP+ ER4 optical transceiver modules are designed to support dual rates of 40G Ethernet and OTN OTU3, suitable for data center and telecom links up to 40km over single mode fiber. The 40G QSFP+ ER4 modules operate at four CWDM wavelengths of 1271nm, 1291nm, 1311nm and 1331nm.
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