You need to back up the NE configuration data during daily maintenance, to ensure that the SCC board of the […]
Boards are installed logically and are not necessarily connected to physical boards in the sub rack. Major restriction in board […]
Automatic laser shutdown is a procedure to automatically shut down the laser when there is no input light and stop […]
Huawei OSN2500
Procedures of setting IP address of SSQ2CXL16 changing automatically with ID Issue Description Due to the NE is GNE, customer modified the IP address configuration of SSQ2CXL16 board.But customer want to cancel this GNE now, and found can’t set the IP address to default configuration: IP address change together with ID changing. Handling Process Pull out the SSQ2CXL16 board, record the current status of the DIP switches of SW1(Please find the SW1 detailed location in the attachment); 2. Switch the DIP switches of SW1 to “1111”, then insert to the subrack; 3. 10 minutes later, pull out the board again, switch the DIP switches of SW1 to previous status, then insert to the subrack; […]
Issue Description When trying to create services or any other configurations to an OSN3500, an error message appeared, showing that the NE was busy, performing batch backing up process. The alarm and NE attributes could be seen through NM. The software version of the NE is Alarm Information SYNC_FAIL 0x1f 0xff 0xff 0xff 0xff Handling Process JUDGE METHOD For the NE with, check the following parameters. 1. Check the status of the backing up process, using the following command: :hbu-get-backup-info 2. If the result of the command  is: Backup-Info  : 0000000002 It means the the batch backing up process is being performed. If it persists, for more than 10 minutes, it means that the process could be time out. 3. To establish the history communication status of both standby and main GSCC board, use the following commands: :hbu-get-com-his: pgid (pgid is the slot number of the GSCC boards) Communication-History SLOT-ID     TIME                 COM-STATE        STDBY-ONLINE […]
GSCC Board
Abstract Because 3.3 voltage detecting circuits of SSN1GSCC02 and SSN3GSCC02 boards are of low precision, unnecessary active/standby SCC switching occurs, […]
Abstract: The communication of the 485 communication module fails frequently. As a result, warm resets occur frequently on the cross-connect […]