PDH
Summary: The SDH(Huawei network product distributor) trail management window displays two trails with the same source or/and sink. A user […]
Huawei OSN 8800
Summary: Using a license file obtained before 2012-09-30, OptiX OSN 8800 platform subracks cannot be created after the U2000 is […]
Huawei OSN 8800
Summary: A U2000 earlier than V100R006C02 can properly manage cross-connect capacity subracks of the OSN 8800. After it is upgraded […]
DWDM Products
Summary: Because of defective incoming materials, the Spansion Flash memory units provided in a specific lot cannot erase Flash memory […]
OptiX OSN 550500
Summary: 0.03% to 0.1% of certain models of data boards and central switching boards with the basic BIOS version of 1.21 […]
  Some customer who don’t have U2000 NMS, or LCT. But it doesn’t means they can not configure service and […]
NE cross version is much lower than the host version,so the software needs to be upgraded of cross. Host version: 5.21.18.53 Cross […]
on OSN3500/7500 MSTP+ V200R012C01SPC100 service for tunnel suddenly got MPLS_TUNNEL_BDI/MPLS_TUNNEL_FDI alarm, before was all fine, no fiber cut or other […]
To Construct OTN Bandwidth Cloud: 0 Waste, 0 Wait, 0 Downtime 1、40G/100G Shared Big Pipe,  ‘0  Waste’ Bandwidth Investment Protection: […]
MSP
Configuration Process This topic describes how to configure the two-fiber unidirectional MSP service. Prerequisites The physical topology of the network […]