Polycom DOC2232A Manual do Utilizador descarregar pdf (Página 19)

Chapter 2 - Hardware Description and Installation

2-5

Active Alarms

To access the Active Alarms, select the first option from the MGC-25 Main

menu.

If there are no active alarms, selecting the Active Alarms option shows the

System Idle display.

To scroll vertically through the Active Alarms, press the right ( ) button to

highlight the scroll bar and then use the up/down ( / ) buttons to scroll.

The possible alarms are described in Table 2-1:

Table 2-1: Alarms Shown in the LCD Display Window

Alarm Type Description

System

Errors

Major/Minor Alarm

The system has an error. To view details about the error: in the

MGC Manager, right-click the MCU icon, and then click Faults.

For details about Faults, see the MGC Administrator’s Guide,

Chapter 5.

PRI Errors R - Red Alarm

No connection is detected. There are no physical or higher layer

protocols established. The line cannot be used for service when

a red alarm is detected. Check the network cable.

Y - Yellow Alarm

The system is receiving a “Far End Alarm Failure.” This failure

indicates that layer 1 and layer 2 protocols have been

established but the layer 3 protocol is not yet established. The

line cannot be used for service when a yellow alarm is detected.

Check the network cable and contact your service provider.

N - Normal

D - D Channel not established.

Check the network cable and contact your service provider.

LAN Errors L - Link Down - There is no signal from the network.

N - Normal

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Polycom DOC2232A Manual do Utilizador Página 19