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

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 87