Hello friend!
Generally, you can learn the alarm details based on the alarm codes generated by the device. You can run the display alarm history command to query the historical alarm records.
The following alarms are generated on the PON line and terminal:
0x2e01a101 The ONT interoperation file does not exist in the system
0x2e01a679 Ring of ONT UNI port is detected
0x2e11a00a The loss of acknowledgement PLOAM message with ONTi (LOAi) occurs
0x2e11a00b The dying-gasp of GPON ONTi (DGi) is generated
0x2e11a00c The loss of PLOAM of ONTi occurs(LOAMi/LOPCi)
0x2e11a00f The physical equipment error of ONTi (PEEi) occurs
0x2e11a001 The feeder fiber is broken or OLT can not receive any expected optical signals(LOS)
0x2e11a002 The hardware of the GPON port is faulty
0x2e11a009 The deactivation failure of ONTi (DFi) occurs
0x2e11a66c The remaining bandwidth of the PON port is insufficient
0x2e11200a The statistics of GPON ONT FEC downstream uncorrectable code words exceed alarm threshold
0x2e112002 The loss of GEM channel delineation (LCDGi) occurs
0x2e112003 The signal degrade of ONTi (SDi) occurs
0x2e112004 The signal fail of ONTi (SFi) occurs
0x2e112006 The loss of frame of ONTi (LOFi) occurs
0x2e112007 The distribute fiber is broken or the OLT cannot receive expected optical signals from the ONT(LOSi/LOBi)
0x2e112008 The ONT works in emergency channel mode
0x2e112009 The statistics of GPON ONT FEC downstream correctable code words exceed alarm threshold
0x2e1130ff A DoS attack caused by ONT management messages occurs on the PON port
0x2e313015 The hardware of the ONT is faulty
0x2e313016 The ONT switches to the standby battery
0x2e313017 The standby battery of the ONT is lost
0x2e313018 The standby battery of the ONT cannot be charged
0x2e113102 A DoS attack caused by broadcast PLOAM messages occurs on the PON port
0x2e31301a The shell of the ONT is opened
0x2e31302a The E1/T1 port loss of signal (LOS) occurs at the ONT
0x2e31a034 The power consumption of the ONT is overloaded
0x2e31305c Local optical transceiver parameters exceed alarm threshold
0x2e31305e Remote optical transceiver parameters exceed alarm threshold
0x2e31305f Numerous ONTs connected to the PON port are powered off concurrently
0x2e313019 The voltage of the standby battery of the ONT is too low
0x2e313060 Local optical transceiver parameters exceed warning threshold
0x2e313062 Remote optical transceiver parameters exceed warning threshold
0x2e314020 The optical transceiver of the PON port is absent
0x2e314021 There are illegal incursionary rogue ONTs under the port
0x2e314022 The ONT is rogue ONT
0x2e21a102 The GPON ONT configuration recovery fails
0x2e11a104 The number of ONT LOOCis exceeds the alarm threshold
0x2e11a107 The status of ONT's E1/T1 port is abnormal
0x2e11a523 The backbone fiber on the port in Type B protection group is broken or the expected optical signal is not detected
0x2e11a524 The number of ONT DOWis exceeds the alarm threshold
0x2e11a651 The number of upstream congestion issues on a PON port exceeds the alarm threshold
0x2e11a652 The number of upstream congestion issues on a PON port exceeds the warning threshold
0x2e11a653 The number of downstream congestion issues on a PON port exceeds the alarm threshold
0x2e11a654 The number of downstream congestion issues on a PON port exceeds the warning threshold
0x2e11a666 ONT abnormal bandwidth request
0x2e11a674 Insufficient port right to use (RTU)
0x2e11a675 Failed to activate optical module to enhanced mode
0x2e112001 The RDIi occurs
0x2e313024 The loss of signals occurs on the ethernet port of the ONT
0x2e313025 No signal is received in the video UNI of the ONT
0x2e11999a The active/standby status of the protection group member is different from that of the remote device
0x2e11999c One or more ONTs under this port failed in ranging
0x2e11999e The downstream signal degrade (SD) of the ONT occurs
0x2e11999f The downstream signal fail (SF) of the ONT occurs
0x2e111999 The ONT initiative to go offline
0x2e21a103 The APS protocol of remote protection group is fault
0x2e31999b The ONT temperature exceeds the alarm threshold
0x2e31999d The ONT voltage exceeds the alarm threshold
0x60311011 The dying-gasp of EPON ONTi (DGi) occurs
0x6031a605 The OLT optical module of this port does not support the ONT NNI type(s) on the port
0x2e31a01b The xPON MAC chipset is fault
0x2e31a66d Communication failed between ONT and MiniCube
0x2e31a66e Power of MiniCube connected to ONT failed
0x2e31a66f Battery of MiniCube connected to ONT failed
0x2e31a665 Numerous ONTs connected to the PON port are offline concurrently
0x2e31a670 The ONT CPU temperature exceeds the alarm threshold
0x2e31a671 The ONT memory occupation exceeds the alarm threshold
0x2e31a672 The ONT CPU occupation exceeds the alarm threshold
0x2e31a676 The IIC fails to access the optical module
0x2e31a678 The optical module may have the over temperature risk
0x2e41a673 The optical module of the GPON port is closed due to over temperature
0x2e31a67b The hardware of the PON port is abnormal
0x29110001 The ring topology in the subscriber port is found
0x29110004 The ring topology in the PON port is found
0x2e1199a1 The channel group wavelength conflict occurs
0x2e1199a0 The feeder fiber is broken or channel group can not receive any expected optical signals (LOS)
0x60110007 The EPON ONT configuration recovery fails
0x60110008 The quality of the ONT optical path is poor
0x60112007 The distribute fiber is broken or the OLT cannot receive expected optical signals from the EPON ONT(LOSi)
0x6011a601 The performance statistics value of the EPON port exceeds the alarm threshold
0x6011a602 The performance statistics value of the EPON port exceeds the warning threshold
0x6011a603 The performance statistics value of the ONT exceeds the alarm threshold
0x6011a604 The performance statistics value of the ONT exceeds the warning threshold
0x6031000b The optical transceiver of the EPON OLT port is faulty
0x603130fe There are ONUs occupying LLIDs illegally under the EPON port
0x6031a033 The voltage of ONT's external power is abnormal
0x60010008 Ring of ONT Ethernet port is detected
0x2e110001 The broadcast storm occurs on the Ethernet port of the ONT
0x00f102bc The total number of used SID resources exceeded a specified upper limit
0x00f102ad SID resource usage exceeded a specified upper threshold
0x2e31a66b The PTP source of an ONT fails to be locked
For more information, please click PON Line and Terminal Alarms.
Thanks!