Black Box LRA2900A manual Fault analysis, Led

Page 56

Model LRA2900A RAS Getting Started Guide

5 • Troubleshooting and maintenance

 

 

Fault analysis

The following procedures outline steps you should follow when troubleshooting a RAS malfunction.

1.If possible, talk to the person who filed the trouble complaint and determine the operational symptoms. Record the symptoms on the appropriate trouble report form (include the front panel LED indications).

2.Refer to table 5 for LED definitions and compare the recorded results from the trouble report against those in the table, then refer to the section recommended in the table for the maintenance procedure that will repair the malfunction.

Table 5. LED definitions

LED

Location

Color

Status

Meaning

 

 

 

 

 

POWER

Front panel

Green

On solid

Power is being applied. No action recom-

 

 

 

 

mended.

 

 

 

 

 

 

 

 

Flashing

A power supply has failed. One of the power supplies

 

 

 

 

has malfunctioned. The RAS will function normally indefi-

 

 

 

 

nitely with one power supply, so you can wait until a low

 

 

 

 

traffic time, then refer to “Replacing the RAS” on

 

 

 

 

page 58 to replace the RAS.

 

 

 

 

 

 

 

 

Off

No input power is being applied. Verify that

 

 

 

 

power is being supplied to the RAS.

 

 

 

 

 

CPU FAIL

Front panel

Red

On solid

The CPU has failed. As soon as possible, unplug both

 

 

 

 

power cables from the RAS, wait 30 seconds, then plug

 

 

 

 

the cables back into the RAS to see if the problem disap-

 

 

 

 

pears. If the CPU FAIL LED is still lit after the RAS com-

 

 

 

 

pletes the power-up cycle, refer to “Replacing the RAS”

 

 

 

 

on page 58 to replace the RAS.

 

 

 

 

 

 

 

 

Off

The CPU is operating normally. No action recom-

 

 

 

 

mended.

 

 

 

 

 

ALARM

Front panel

Red

On solid

A minor alarm condition has been detected.

 

 

 

 

 

 

 

 

Flashing

A major alarm condition has been detected.

 

 

 

 

 

 

 

 

Off

The RAS is operating normally. No action rec-

 

 

 

 

ommended.

 

 

 

 

 

SYSTEM

Front panel

Green

Flashing

The RAS is operating normally. No action rec-

 

 

 

 

ommended.

 

 

 

 

 

 

 

 

Off

The RAS has malfunctioned. The RAS is not functioning

 

 

 

 

properly. As soon as possible, unplug both power cables

 

 

 

 

from the RAS, wait 30 seconds, then plug the cables

 

 

 

 

back into the RAS to see if the problem disappears. If the

 

 

 

 

SYSTEM LED is still lit after the RAS completes the power-

 

 

 

 

up cycle, refer to “Replacing the RAS” on page 58 to

 

 

 

 

replace the RAS.

 

 

 

 

 

Fault analysis

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Contents Remote Access Server RAS Radio and TV Interference FCC Compliance Trademarks Used In This Manual Page Contents Operation and shutdown Contacting Black Box for assistance Contents Model LRA2900A RAS Getting Started Guide Audience StructureGeneral conventions PrecautionsTypographical conventions used in this document Mouse conventions About this guide Model LRA2900A RAS Getting Started Guide Chapter contents IntroductionModel LRA2900A Remote Access Server overview Model LRA2900A RASHardware overview WANSignaling Power systemTemperature ModemsSecurity Physical dimensionsManagement services LED display Model LRA2900A front panel LEDsApprovals Software overview Software overviewHardware installation Unpacking the Model LRA2900A RAS RAS chassis installationIntroduction Cable installation Installing the power cablesConnecting the Ethernet ports Grounding the Model LRA2900AConnecting the EIA-561 RS-232 configuration port DTRCompleting the hardware installation Connecting to the T1/E1/PRI WAN portsConfiguring the RAS for operation Configuration prerequisites Preparing the RAS for configurationConfigure the COM port settings as shown in figure COM properties Login window Opening the RAS Web Administration Pages Configuring the RAS with a Web browserHome Home page overview Home page window panesImmediate Actions buttons Configuring simple authentication No ValidationAuthentication Configuration window Static UserConfiguring dial-in user information Static User Identification windowClick on Modify. The Modify Dial-In window appears see figure Configuring the default gateway Modify Dial-In window, Domain Name Server sectionConfiguring line settings and signaling for E1 T1/E1 Link Activity windowConfiguring the line settings Setting the line signaling for an E1/PRI Isdn lineSetting the line signaling for an E1/R2 line MFR Version 2 Modify windowChannel assignment WAN Circuit Channel Assignment windowSetting the line signaling for a robbed-bit T1 line Configuring line settings and signaling for T1Setting the line signaling for an ISDN/PRI line Saving your configuration Import/Export main window Completing the installation Completing the installation Completing the installation Operation and shutdown Activating the RAS De-activating the RASTroubleshooting and maintenance Problem Corrective Action Fault analysis LEDEthernet Periodic maintenance MaintenanceCalibration Replacing the RASMaintenance Removing the defective RAS Importing a saved configuration Installing the replacement RASVerifying the hardware installation Configure the COM port settings as shown in figure Press Return to display the login window see figure VT-100 Top Level Management window Completing the installation Park Drive Lawrence, PA 15055-1018 724-746-5500 Fax

LRA2900A specifications

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