We always hear that 1+1 protection or 1:1 protection in service transmit, especially in Huawei SDH and DWDM transmission fields, […]
  This document describes the types and bit rates of the OTUk, ODUk, OPUk, OTUCn, ODUCn, and OPUCn signals of […]
Abstract When we configurate none authentication mode as the backup authentication mode on S5700 Campus Switch in case that the […]
This article will share with you an issue about OTU4_LOF alarm on an OChM (Optical Channel Multi-Carrier) established between NS4M […]
Abstract After OptiX OSN1800 NE in X network was upgraded from V100R003C01SPC200 to V100R003C05SPC200, the ELOM board on this NE reported a HARD_BAD alarm. Was […]
What Is WDM Wavelength division multiplexing (WDM): The WDM technology multiplexes optical signals of different wavelengths into one fiber for […]
OSN3500 SDH
You need to back up the NE configuration data during daily maintenance, to ensure that the SCC board of the […]
As an optical multiplexer and demultiplexer unit, the FIU board multiplexes the main path signals and OSC signals into a […]
Abstract This article will describe how we can view the transmit and receive optical power of an optical module. We […]
EG8247H5
Abstract: How to apply a management VLAN on the ONT EG8247H5 for remote access? How to add ONT to your […]