The INTCERA 40G QSFP+ PSM4 10km optical module (GQM-SPO400-LR4CA for 40GE/4x10GE and OTU3/OTU2e, GQM-SPO400-LR4CB for 40GE/4x10GE) supports transmission distance up to 10km using 1310nm wavelengths. INTCERA also offers 40G QSFP+ PSM4 10km optical transceiver integrated with MTP/MPO or LC single mode fiber pigtails. Designed for 40G Ethernet PSM4 or 4x 10G Ethernet 10GBASE-LR links over multiple single mode fibers.