Iyo INTCERA 40G QSFP + ER4 optical module (GQS-SPO400-ER4C) inotsigira kutapurirana kure kusvika ku40km uchishandisa CWDM wavelengths (1271nm, 1291nm, 1311nm, 1331nm).Yakagadzirirwa 40G Ethernet 40GBASE-ER4 uye OTN OTU3 links pamusoro pe duplex single mode fibers.