They can be used for connections from 150m up to 40km and are suitable for 40G Ethernet or Breakout to 10GBASE-SR Ethernet or Optical Transport Network OTU3 applications. ≤4m cable length is required if QSFP+ to SFP+ Converter Module is applied with 10G passive. ● Certified and tested on Cisco QSFP 40G ports for superior performance, quality, and reliability ● High-speed electrical interface compliant to the IEEE 802. 3ba standard ● QSFP Form factor, 2-wire I2C communication interface and other low-speed electrical interface compliant to SFF 8436 and QSFP. It includes 40GBASE QSFP+ modules, 40G Converter modules, 40G DACs/AOCs and their breakout cables. Featured products such as QSFP-SR4-40G modules and QSFP-LR4-40G modules are also available for choice. 40G QSFP+ Transceiver Module Series include SR4, BIDI, CSR4, PIR4, LX4, IR4, LR4,PLR4 and ER4. The 40G transceiver module portfolio offersc ustomers awide variety of high-density and low-power 40Gigabit Ethernet connectivity options for datacenter, high-performance computing networks, enterprise core and distribution layers, and service provider applications. Each channel can: This quad-channel design gives data center switches and routers a higher port density. Deployment flexibility with 800G (dual 400G), 400G, 100G, 50G, 40G, 25G, 10G or 1G modules. 3bm, SFF-8436 and other standards; It has the characteristics of low power.