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Loss of GEM channel delineation (LCDGi) occurs

by ShahedJanuary 4, 2016January 10, 20160

Loss of GEM channel delineation (LCDGi) occurs: Today i will discuss about the loss of GEM channel delineation (LCDGi) occurs alarm. System generates this alarm when delimitation of the GEM frame header is incorrect. The OLT detects HEC check errors of the GEM header in consecutive frames and the ONT goes offline. [boxads] Attribute Alarm ID Alarm Severity Alarm Type 0x2e112002 Warning Fault Impact on the System: The loss of frame (LOF) occurs in the system, and the ONT goes offline. Possible Causes: The optical fiber is faulty. The ONT is faulty. Procedure: Check the optical fiber. If the optical fiber …

by ShahedJanuary 3, 2016January 10, 20160

Optical module fault Alarm Huawei OLT: Today I will discuss Last down cause: Optical module fault alarm. When you connect a non brand SFP or SFP not match with your OLT version then OLT display Optical module fault Alarm. I face a problem, when i connect a new SFP in H805GPFD board then 0-7 port SFP is working but 8-15 port was not working. When we connect NeoPhotonics Class B+ SFP then it work fine. bellow are the both status. [boxads] Unsupported SFP Status: NMC_Huawei_OLT02(config-if-gpon-0/0)#display port state 8 —————————————————————————- F/S/P 0/0/8 Optical Module status Online Port state Offline xPON MAC …

by ShahedDecember 24, 2015January 24, 20160

Basic Layout of Huawei OLT Today i will discuss about Basic Layout of Huawei OLT. Bellow are the details…. [boxads] Basic Layout: Chassis: bundled sales, not sold separately. MPU: generally double master, one for main and one for standby, SCUN, MCUD (MA5608T) are common used. Power Plate: generally dual power, one for main and one for standby, PRTE (DC), MPWC (DC), MPWD (AC) are common used. Upstream board: GICF, GICG, X2CS etc. GPON service boards: GPBD, GPFD etc. Software: generally has been installed inside the control board SCUN Control board – SCUN (SCUL, SCUK, SCUH) Function: Systematic control, switching and …

by ShahedDecember 21, 2015January 10, 20161

Dying gasp Alarm GPON ONTi (DGi) When ONT goes offline then Huawei OLT receives a message from ONT then system generates dying gasp alarm. If power cord remove from ONT without power off ONT device or Load shedding causes electricity power go away then system generates dying gasp alarm. [boxads] Attribute: Alarm ID Alarm Severity Alarm Type 0x2e11a00b Minor Fault Parameters: Name Meaning FrameID The ID of the shelf where the alarm is generated. SlotID The ID of the slot where the alarm is generated. PortID The ID of the port where the alarm is generated. ONT ID The ID …

by ShahedDecember 12, 2015December 12, 20158

Key Differences Between GPON SFP Class B+ and C+ [boxads] The Key Differences Between GPON SFP Class B+ and C+ are their TX power and RX Sensitive. Class B+ OLT transceiver: TX power 1.5~5db, RX sensitive -28db. Class B+ ONU transceiver: : TX power 0.5~5db, RX sensitive -27db. Class C+ OLT transceiver: TX power 3~7db, RX sensitive -32db. Class C+ ONU transceiver: : TX power 0.5~5db, RX sensitive -30db. When you configure the MA5683T, MA5680T, MA5600T, MA5608T, MA5603T… have the the confuse: what is The Key Differences Between GPON SFP Class B+ and Class C+ transceiver? Here we will solve the …

by ShahedNovember 13, 2015November 13, 20150

System lock Condition Huawei OLT This system lock condition failure_times command is used to configure the lock condition for the user and the terminal IP address. When you need to lock the user and the terminal IP address after the password is entered incorrectly for a preset count, run this command. After the command is executed successfully, when the password is entered incorrectly for the count of failure_times, the user and the terminal IP address are locked and cannot log in. [boxads] This system lock condition idle_timeout command is used to configure the idle lock time of the user. After the …