The Huawei OSG040N02 is a high-performance optical transition module designed for professionals in need of reliable data transmission over long distances. Are Attenuators Required in the Case of Short-Distance Connection Using Single-Mode Optical Modules? Why an Interface Does Not Enter the linkdown State When Its Receiving Power Reaches the Lower Threshold? Does a Port Frequently Alternate Between Up and Down States When a Non-Huawei-Certified. And the Huawei Optical Transceiver, eSFP, 1310nm, 1. 25Gb/s, -5 ~ 0dBm, -23dBm, LC, SM, 40km is factory new with original packaging. Buy it now and enjoy risk free purchase with fast worldwide delivery from GenuineModules. Plug and Play: Hot swappable, rotate the rings fastener down to unlock, then pull the transceiver out of the. 10Gtek's AXSDxx-192-xx series single mode transceiver is small form factor pluggable module for duplex optical data communications. It is designed to deploy in the DWDM networking equipment in metropolitan access and core networks. It is with the SFP+ 20-pin connector to allow hot plug capability. SFP-10G-ER 1550nm 40km DDM Optical Transceiver Module CISCO, HUAWEI, H3C, Juniper, D-link, HP, IBM, dell, Mikrotik, Aruba,Quidway Compatible This 10GBase-LR 1550nm SFP+ transceiver is designed to transmit and receive optical data over single mode optical fiber for link length of 20/40/60km.