40G QSFP (Quad Small Form-Factor Pluggable)
40G QSFP 40 uses 4 x DFB transmitting lasers and 4 x APD receivers, operating each lane with speeds of 11.2 Gbps, giving an aggregated maximum bandwidth of 44.8 Gbps. It support DDM/DOM optical diagnostics, which provide diagnostic information about the present operating conditions. 40G QSFP optical transceiver is multi-purpose module used in number of different places of today’s networking. Consequently, most popular applications are Internet Service Provider (ISP) Fiber To The Home aggregation and backbone, Mobile operator core and back-haul 40G applications, Data Center networking site interconnections and other optical links