INTCERA 40G QSFP+ ER4 na gani na gani (GQS-SPO400-ER4C) yana goyan bayan nisan watsawa har zuwa 40km ta amfani da tsayin raƙuman CWDM (1271nm, 1291nm, 1311nm, 1331nm).An ƙirƙira don 40G Ethernet 40GBASE-ER4 da OTN OTU3 hanyoyin haɗin yanar gizo akan filaye guda ɗaya na yanayin duplex.