ADTRAN TRACER 6000 SERIES User Manual

Also see for TRACER 6000 SERIES: System manual

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ADTRAN TRACER 6000 SERIES User Manual Manual pdf 122 page image

Section 8 Troubleshooting Guide TRACER 6000 Series Split System Manual122 Copyright © 2005 ADTRAN, Inc. 612806320L1-1BBlue AlarmA remote alarm (alarm indication signal or AIS) is generated by the attached equipment. The rootcause must be determined at the attached equipment. A typical cause of a blue alarm is a lack of inputto a CSU.Recommended Actions:1. Verify the input to any attached data equipment.BPVBipolar violations (BPVs) indicate an improper configuration or faulty wiring.Recommended Actions:1. Verify the TRACER unit and the attached equipment are configured for the same line coding(B8ZS or AMI).2. Verify the cable connections for the T1 interface are solid.E1 Interface AlarmsAll active E1 alarms are displayed on the E1 X STATUS /C ONFIGURATION /L OOPBACK menu page. To identifythe E1 interface in alarm and the specific alarm present, display the E1( X) STATUS screens and check theE1(X ) INTERFACE ALARMS field.Recommended Actions:1. Display the E1(X ) STATUS screen and check the E1( X ) INTERFACE A LARM field to identify the activealarm.2. Follow the steps below for the appropriate alarm.LOS Alarm (Loss of Signal)LOS ALARM is an indication that the TRACER may be unable to detect a viable E1 received signalfrom the connected E1 equipment. This error may be due to a degraded signal or no signal, or may becaused by improper framing.Recommended Actions:1. Verify that the E1 cable is connected to the E1 interface on the TRACER.2. Verify the connections at the opposite end of the E1 cable.3. Verify that the framing mode (framed, multiframed, or unframed) is the same for both theTRACER and the E1 equipment.AIS AlarmA remote alarm (alarm indication signal or AIS) is generated by the attached equipment. The rootcause must be determined at the attached equipment. A typical cause of a blue alarm is a lack of inputto a CSU.Recommended Actions:1. Verify the input to any attached data equipment.LCVLine code violations (LCVs) indicate that the received E1 stream contains an invalid line code and aregenerally caused by an improper configuration or faulty wiring.