Zhone 6212-a2 ユーザーガイド
4. Troubleshooting
4-2
January 2005
6212-A2-GB22-00
LEDs Blink in a Sequential Pattern
This typically means that either the kernel or flash file system is corrupted. Notify
your service representative.
your service representative.
Status LED Continues to Blink
This means that the DSL line is trying to train but for some reason it cannot
establish a valid connection. The main cause of this is that you are too far away
from the central office. Contact your DSL service provider for further assistance.
establish a valid connection. The main cause of this is that you are too far away
from the central office. Contact your DSL service provider for further assistance.
Status LED is Always Off
1. Make sure you have DSL service. You should receive notification from your
ISP that DSL service is installed. You can usually tell if the service is installed
by listening to the phone line: you will hear some high-pitched noise. If you do
not hear high-pitched noise, contact your ISP.
by listening to the phone line: you will hear some high-pitched noise. If you do
not hear high-pitched noise, contact your ISP.
2. Verify that the phone line is connected directly to the wall and to the line input
on the router. If the phone line is connected to the phone side of the router or
you have a splitter installed on the phone line, the DSL light will not come on.
you have a splitter installed on the phone line, the DSL light will not come on.