Black Box ISU2011-8-UK, ISU2011-8-EURO Troubleshooting, Fault Problem How to clear the problem

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BRI-Hub

Troubleshooting

Fault

Problem

How to clear the problem

 

 

 

Pwr-LED is off

BRI-Hub is powered off

Plug in power adaptor

 

No mains power

Check for main power

 

Faulty power adaptor

Use other compatible power adaptor. Check

 

 

polarity!

 

For BRI-HUB-S only:

Use original power adapter

 

loss of power inside NT

 

 

or PABX

 

 

BRI-Hub is faulty

Please return the device to your dealer.

 

 

 

Specific devices

Cable shorts

Use another port for test.

on a port do not

 

 

operate via the

 

Check for cabling faults.

BRI

 

 

 

Faulty terminal

Check with other equipment

 

equipment

 

 

Cable too long

Connect TE directly to the BRI-Hub for test

Only devices at

A BRI-HUB is used

Power on the BRI-HUB

port 1 may

which is in the power

 

communicate

down mode

 

If you are still having problems with you BRI-Hub, please call Black Box technical Support.

TECHNICAL: 0118 931 2233 15

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Contents BRI-Hub BRI-Hub Contents Description of functions IntroductionBRI-Hub S Options BRI-HubS0-Interface Technical SpecificationsCommon Features Power supplyEnvironmental and Safety Notes Parts ListSound Emission Rack Mount InstallationTabletop Wall mountBRI-Hub-S Power SupplyConnecting the Hub Power Failure Operation BRI-Hub Termination Resistors Displays and Controls MaintenanceCleaning OperationFault Problem How to clear the problem TroubleshootingBRI-Hub