7-4 Netopia ISDN Modem User’s Guide
Troubleshooting tips
Before you call Farallon’s technical support for assistance, check the following:
1.The power supply is connected and the Power LED is on.
2.Press the Reset button on the Netopia ISDN Modem and observe the Test LED.
During the
■If the Test LED goes off after the test has been completed, the test has been successful.
■If the Test LED flashes and remains lit for more than a few minutes, there is an internal failure. Notify Farallon that the Netopia ISDN Modem has failed the
3.Verify that the ISDN cable is connected to the ISDN modem, and make sure it is connected to the ISDN wall jack.
The Netopia ISDN Modem will not operate if connected to an analog telephone wall jack. Make sure that the ISDN modem is connected directly to the ISDN wall outlet without connection to any intermediate telephone equipment (an NT1 device is not required with this ISDN modem).
4.Make sure that the cables provided by Farallon or a Farallon authorized reseller are in good condition and show no evidence of wear or other physical damage.
If damage is apparent after close inspection, contact Farallon or your reseller for replacement cables.
5.Monitor the status of the D channel LED.
■If you are connected to a live ISDN line, the D channel LED remains lit for up to a few minutes after the
When the D channel LED flashes, it indicates that the ISDN signal is present.