HW QSFP-40G-eSM4-I Compatible 4x10GBASE-LR QSFP+ optical transceiver supports up to 10km link lengths over single mode fiber (SMF) via an MTP/MPO-12 connector. The built-in digital diagnostics monitoring (DDM) allows access to real-time operating parameters. This transceiver is compliant with QSFP+ MSA, SFF-8636, IEEE 802.3ba XLPPI standards, and is suitable for Datacenter and Enterprise Networking.