Cozlink 40G QSFP+ LR4 Transceiver enables better working of 40 Gigabit Ethernet switches and routers. This optical 40G QSFP+ LR4 Transceiver is a low power DDM equipped Ethernet high speed supporting transceiver that links over CWDM single-mode optical fiber sending signals at a rate of 4x10.3125 Gbps. These comply with electrical, mechanical and physical specifications SFF-8436 meant for LC-duplex transceivers.Cozlink 40G QSFP+ LR4 Transceiver features 4-channel 1310 nm DML lasers multiplexed to a single-mode fiber. It has internal diagnostic system for temperature, optical power receive/transmit, supply voltage and laser bias current. 40G QSFP+ LR4 Transceiver by Cozlink delivers 10 km link length on 9 μm SMF. Cozlink 40G QSFP+ LR4 Transceiver can be used interchangeably with a number of networking solutions produced by popular brands like Force 10, CISCO, ZyXEL, D-Link, FInisar, Juniper and many others.