Allied Telesis AT-iMG646PX-ON, AT-EN646 manual Section I Troubleshooting

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Chapter 7

Troubleshooting

This chapter contains information on how to troubleshoot the gateway in the event that a problem occurs.

Problem: Gateway is not operating correctly.

Solution: Reset the unit by disconnecting and then reconnecting the power cable.

Problem: The PWR LED is off.

Solution: Check the power cable to verify that it is not damaged and that it is connected correctly.

Problem: The SYST LED is on.

Solution: Unplug the power cable and plug it in again after 20 seconds. If the LED does not turn off, unplug the power cable and contact Allied Telesis.

Problem: The WAN LED is off.

Solution: Check the following:

ˆVerify that the fiber optic port and FX fiber connector on the pigtail from the splice tray are clean. Refer to Appendix B, “Cleaning Fiber Optic Connectors” on page 91 for information.

ˆVerify that the connector is properly seated in the fiber optic port.

ˆVerify that the fiber optic cable has an active light source.

Problem: The VOIP LED remains off when you lift up the receiver on the connected telephone.

Solution 1: Verify that the telephone cable is correctly connected, that the correct cable is being used, and that the cable is not damaged.

Solution 2: Unplug the RJ-11 pigtail for the telephone circuit in question. Plug a POTS telephone into the RJ-11 jack. If the VOIP LED lights up when you lift the receiver, then there may be a problem with the telephone cable. If the VOIP LED does not light up, then there may be a problem with the AT-iMG646BD-ON gateway. Contact Allied Telesis.

Section I: Troubleshooting

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Contents Installation Guide Page Electrical Safety and Emissions Standards Translated Safety Statements Contents Section II Indoor Installation Figures Connecting the Management Cable Tables Tables Preface Symbol Meaning Description Safety Symbols Used in this DocumentWhere to Find Web-based Guides Contacting Allied Telesis WarrantyManagement Software Updates Preface Chapter OverviewFeatures Page 878 LED LEDsState Description Section Outdoor InstallationSection I Outdoor Installation Outdoor Installation Overview Illustrates the AT-EN646 enclosure EnclosureInstallation Options Outdoor Installation Overview Section II Indoor Installation Installing the Enclosure Reviewing Safety Precautions Section I Outdoor Installation Tools Additional Supplies Required Tools and SuppliesMounting Hole Locations Mounting the EnclosureInstalling the Enclosure Installing the Grounding Plate Installing Dielectric Drop Cable Installing the Fiber Optic Drop CablePositioning the Cable Installing the Ground Wire Securing the Tracer Wire and Aramid Yarn Installing Armored Drop Cable 1188 Armored Drop Cable Secured to the Grounding Plate 1196 Splicing the Drop Cable and Securing the Fusion Splice Tray Using the Two Part Metal Splice TraySecuring the Buffer Tube Installing the Enclosure 854 Using the Plastic Splice Tray 1182 1184 Installing the Gateway Outdoors Reviewing Safety Precautions Section I Outdoor Installation Required Tools and Supplies Installing Gateway Enclosure Installing the GatewayPositioning the Gateway on the Mounting Post Mounting the Gateway Preparing Connecting Power Cord Proper Installation of the Terminal Block Ground Wire Mounting the Splice Tray on the Gateway Connecting the Fiber Optic Cable Connecting the Telephone Wires Connecting the LAN Cables Inserting the Wire Tie Completing the Installation Installing the Gateway Outdoors Indoor Installation Section II Indoor Installation Installing the Gateway Indoors Installing the Gateway Indoors Section II Indoor Installation Required Tools and Supplies Preparing for the Installation Securing the Plywood to the Wall Securing the Grounding Stud Securing the Gateway to the Mounting Surface Connecting the Ground Wire Preparing and Connecting the Power Cord 1305 Plugging in the DC Terminal Block Connecting the Fiber Optic Cable Connecting the Fiber Optic CableConnecting the Telephone Wires Connecting the Telephone WiresConnecting the LAN Cables Connecting the LAN CablesCompleting the Installation Troubleshooting Section III Troubleshooting Section I Troubleshooting Troubleshooting Technical Specifications Power Cord Wiring Appendix B Cleaning Fiber Optic ConnectorsRubbing the Ferrule Tip on the Cleaning Surface Using a Cartridge-Type CleanerPage Cleaning a Recessed Ferrule If desired, repeat step Using a SwabPage Appendix B Cleaning Fiber Optic Connectors Appendix C Turnup ProcessTurnup Flowchart