Verilink HDM 2180 (880-503048-001) Product Manual Manual de usuario descargar pdf (Pagina 70)

Troubleshooting

6-2 Verilink HDM 2180 User Manual

Alarm

Description

The Alarm Description column lists the text that is

• printed on the display

• sent to the alarm printer (if using Node Manager or SNMP

agent)

• saved to the alarm buffer/database

Classifications

Verilink classifies alarms into the following Severities:

• Critical

• Major

• Minor

• Warning

• Info

• Cleared

Problem Types

These classifications are further categorized into the Problem

Types:

• LOS—Loss of Signal

• LOF—Loss of Frame

• Error

• Call Setup

What To Do About Alarms

Some alarms will clear after the user-configured timeout has

expired. Other alarms require you to take corrective action.

• If an alarm has been cleared, no other action is required.

• If there is a loopback present (unless you are intentially

testing), remove the loopback. (Only if the loopback is from

your end. If it is from your telco, you may need to verify the

loopback with them.)

• If you have a Loss of Frame (LOF), you may have a telco or

module problem. To test, do a Repeater Loopback (RLB) to test

for LOF. If there is no LOF indicated by the test, the problem is

with the telco.

• If you have a Loss of Signal (LOS), check your router cables,

power, and ports.

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Verilink HDM 2180 (880-503048-001) Product Manual Manual de usuario Pagina 70