100GBASE Quad Small Form-Factor Pluggable (QSFP) portfolio includes SR4, eSR4, PSM, LR4, IR4, ER4 Lite and ER4, using LC or MPO receptacle, with features of compliant MSA and IEEE802.3bm, low power consumption, small size and high reliability. Digital diagnostics functions are available via an I2C interface as specified by the QSFP28 MSA. It offers customers a wide variety of high-density Ethernet connectivity options for data center, high-performance computing networks and service provider applications.