We always hear that 1+1 protection or 1:1 protection in service transmit, especially in Huawei SDH and DWDM transmission fields, […]
This article will share with you an issue about OTU4_LOF alarm on an OChM (Optical Channel Multi-Carrier) established between NS4M […]
What Is WDM Wavelength division multiplexing (WDM): The WDM technology multiplexes optical signals of different wavelengths into one fiber for […]
As an optical multiplexer and demultiplexer unit, the FIU board multiplexes the main path signals and OSC signals into a […]
This topic describes the convenient handling method for CHAN_ADD alarm reported on MCA8 board of Huawei OSN 6800 OSN 8800 […]
During Huawei WDM & OTN network maintenance and construction, boards or devices may be replaced. Before performing these risky operations, […]
If the received optical power of a Huawei OSN8800 TDM board is excessively high or low, bit errors occur on […]
If the mean launched optical power of Huawei OSN 8800 TDM board is excessively high or low, bit errors occur […]
Huawei DWDM OSN 6800 OSN8800 OUT board includes OTN Transponder board like LSX LOG, OTN Line board llike ND2, NQ2, […]
How to Check Whether the Wavelength Locking Function Is Configured for Huawei Wavelength-tunable OTU Board? Huawei DWDM OUT board includes […]