Category Archives: Uncategorized

How to Clear the DBMS_ERROR Alarm Reported After an Upgrade

Constraint: l This recovery guide is applicable to V200R011C03SPC200, V200R012C00, and V200R012C01 only. 1 Identifying the Problem 1.1 Querying the Database Run the :dbms-query:”23310000.dbf”,mdb command. The query result is shown in the following attachment:《Result.txt》   1.2 Checking Whether a Residual SNCP Pointer Exists As shown in the attachment in 1.1 “Querying the Database”, the 3112103 field is 00 but… Read More »

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Notice on Prewarning for the PATCH_ERR Alarm Falsely Reported on the NG SDH V100R008C02SPH203

Summary: On an OptiX OSN3500  V100R008C02SPH203 that houses active and standby system control boards, the standby system control board periodically performs file patrol and reports version information to the active system control board to synchronize patch files. The two operations conflict occasionally, resulting in patch file synchronization failure and the reporting of the PATCH_ERR alarm.… Read More »

Guide to Clearing the DBMS_ERROR Alarm Reported After an Upgrade Due to the Residual SNCP Pointe

Constraint: This recovery guide is applicable to V200R011C03SPC200, V200R012C00, and V200R012C01 only 1 Identifying the Problem 1.1 Querying the Database Run the :dbms-query:”23310000.dbf”,mdb command. The query result is shown in the following attachment: “Result.txt” 1.2 Checking Whether a Residual SNCP Pointer Exists As shown in the attachment in 1.1 “Querying the Database”, the 3112103 field… Read More »

Be ware of Warm Reset of the System Control Board on OptiX OSN Equipment

Summary: The ASON network is unstable. Fiber cut frequently occurs and ASON services are rerouted constantly. In this case, the system control board of an NE is prone to be reset when network resources are insufficient or residual cross connections exist. [Problem Description] Trigger conditions: The problem is triggered if the following conditions are met:… Read More »

Pay Attention to Service Interruption on FPGAs Cross-Connect Boards

[Problem Description] Trigger conditions: The FPGA of a cross-connect board is faulty and in an incorrect state, so the FPGA falsely checks the status of the service board and triggers MSP switching with an abnormal state, resulting in service interruption. Symptom: MSP switching occurs, services are interrupted, and the faulty cross-connect board is reset or… Read More »

Pay attention on the Failure of TNH2SL1D and TNH2SP3D Boards Get Online on OSN 500

[Background Information] TNH2SL1D, TNH2SP3D, and TNH2PL3T boards are developed based on OptiX OSN 550 V100R003 and are used on OptiX OSN 500 V100R002 to replace TNH1SL1D, TNH1SP3D, and TNH1PL3T boards. TNH2 boards are applied to OptiX OSN 500 V100R002 using the hardware independence technology. Software of OptiX OSN 500 earlier than V100R002SPC305 does not contain… Read More »

40G OTU Service Grooming via OSN1800, OSN6800 and OSN8800

Background/Introduction: In country T, Operator T’s backbone transmission has to be significantly enhanced in order to support the incoming 3G and HSDPA traffic as they are planning to make up for their growth as relative latecomers to the data services (3G & HSDPA) in mobile networks. Therefore they have decided to utilize the newly available… Read More »

NESOFT_MM Troubleshooting

GSCC is a system control and communication board with part number 03020DCM. The GSCC is available in 4 functional versions: N1GSCC,  N3GSCC, N4GSCC, N6GSCC. The functions provided by the functional versions are different. A new GSCC board insert into OSN 3500 at 17# slot, NESOFT_MM alarm reported when main-standby backup finished. :alm-get-curdata-ext:0,0,0  200026      NESOFT_MM    start       2013-12-29 13:17:15+02:00      None         board=18;02 00 03 08 ff;   1.     According to the alarm, the… Read More »