88551668 optix rtn 605 important alarms

www.huawei.com

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

Security Level:INTERNAL 2007-12-29

OptiX RTN 605 Important Alarms

Pay Special Attention to Following Alarms

BD_STATUSDOWN_E1_AISETH_LOSHARD_BADIF_INPWR_ABNMW_LOFRADIO_FADING_MARGIN_INSUFFT_ALOSRADIO_RSL_LOW

BD_STATUS

Alarm Severity Alarm Type Board Possible Causes

Major Equipment Alarm ODU Cause 1: Other alarms are generated. (IF_CABLE_OPEN, VOLT_LOS)Cause 2: The ODU is faulty.

IF_CABLE_OPEN


Major Equipment Alarm IF Port Cause 1: The IF Cable is Loose or FaultyCause 2: The IF Port of the IDU is DamagedCause 3:The Power Module of ODU is Faulty

VOLT_LOS


Major Equipment Alarm Power Module, IF Board

Cause 1: The Output Power is AbnormalCause 2: The Input Power is AbnormalCause 3:Lightning Occurs

DOWN_E1_AIS


Major Communication Alarm

E1 Tributary Card Cause 1: The Opposite Side Transmits UP_E1_AIS AlarmCause 2: The IDU is faulty.

UP_E1_AIS


Minor Communication Alarm

E1 Tributary Board Cause 1:The opposite equipment transmits the AIS signal.Cause 2: The receive unit of the tributary unit at the local site is faulty.

T_ALOSAlarm Severity Alarm Type Board Possible Causes

Major Communication Alarm

E1 Tributary Board Cause 1: The interface does not access 2 Mbit/s services.Cause 2: The opposite equipment is faulty.Cause 3:The trunk cable is faulty.Cause 4: The board that reports the alarm is faulty.

ETH_LOSAlarm Severity Alarm Type Board Possible Causes

Critical Communication Alarm

Ethernet Board Cause 1:The negotiation fails because the transmit port and receive port work in differentmodes.Cause 2:The link of electrical cable or optical fiber is faulty.Cause 3:The equipment is faulty.

IF_INPWR_ABNAlarm Severity Alarm Type Board Possible Causes

Major Equipment Alarm IF Board Cause 1:The IDU is FaultyCause 2:The ODU is FaultyCause 3:The IF Cable is Faulty

MW_LOFAlarm Severity

Alarm Type Board Possible Causes

Critical Communication Alarm

IF Board Cause 1:The other alarms are generated.Cause 2: In the case of TDM radio services, the IF working modes at the local site and the opposite site are different. In the case of Hybrid radio services, the channel bandwidth and modulation modes at the local site and the opposite site are different.Cause 3: The working frequency of the ODU at the local site is inconsistent with the working frequency of the ODU at the opposite site.Cause 4:The transmit unit of the opposite site is faulty.Cause 5:The receive unit of the local site is faulty.Cause 6: The receive power of the ODU is abnormal.Cause 7: An interference event occurs.

RADIO_FADING_MARGIN_INSUFFAlarm Severity Alarm Type Board Possible Causes

Minor Equipment Alarm ODU Cause 1:The ODU fault at the transmit end causes abnormal transmit power.Cause 2:The direction of the antenna is deflected.Cause 3: Transmission environment changes.Cause 4: The fading margin in the case of rain and fog in the network planning is insufficient.

RADIO_RSL_LOWAlarm Severity Alarm Type Board Possible Causes

Critical Service Alarm ODU Cause 1:Certain other alarms occur at the opposite site.Cause 2:The transmit power of the opposite site is low.Cause 3: The local ODU is faulty.Cause 4: Signal attenuation on the radio link is heavy.

88551668 optix rtn 605 important alarms

Documents