100GE QSFP28 ZR4 module support 80km based on SM fiber without any external EDFA or DCM, low power consumption and good optical budget, solution is dedicated for metro and DCI scenario, transceiver can be used in most legacy switches, routers and transmission equipment for p2p applications. QSFP28 ZR4 integrates the receiver and transmit path on… Continue reading Why DCI and ISP choose QSFP28 ZR4 80km?