Nortel Networks M3310 Benutzerhandbuch

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Digital Telephone IP Adapter Installation and Administration Guide
217
January 2005 Troubleshooting 
Network connectivity
This section identifies some problems that can occur on the data network, and 
describes what to do to resolve them.
System descriptions
If you are not able to establish or maintain data network connectivity, perform 
troubleshooting as described in the following table:
Symptom
What to do
You cannot establish a 
connection from your 
administration PC to the Digital 
Telephone IP Adapter unit.
1
Ensure that you entered the IP address 
correctly when trying to establish the 
connection.
2
Ensure that you entered the logon ID 
and password correctly when trying to 
establish the connection.
3
Ensure the Digital Telephone IP Adapter 
unit’s IP address, network mask, and 
default gateway are correctly configured 
in the Digital Telephone IP Adapter unit.
4
PING the Digital Telephone IP Adapter 
unit to see if it responds. Refer to “Using 
Configuration Manager’s PING” on 
page 221
 for proper procedure.
5
PING the gateway to see if it responds.
6
If the PING still does not work, contact 
your data network administrator.