Device Connectivity - Nortel Remote Office 9150 Installation And Administration Manual

Troubleshooting

Device connectivity

Introduction
This section identifies some problems that can occur on the data network, and
describes what to do to resolve them.
Symptom descriptions
If you are not able to establish or maintain data network connectivity, perform
troubleshooting as described in the following table.
Note: To enable valid loopback testing of serial ports and cables, Nortel
Networks recommends that you use a breakout box.
Symptom
SERIAL CONNECTION FAILED
appears when attempting to
connect to the Remote Office
9150 unit.
360
What to do
1 Ensure that you entered the logon ID and
password correctly when trying to establish the
connection.
2 Ensure that someone else is not already logged
on to the Remote Office 9150 unit.
3 Ensure that you selected the correct COM port
when trying to establish the connection.
4 Verify that no other applications on the
administration PC are using the COM port.
5 Verify that the serial connection is good.
6 Using a breakout box, verify that the COM
port is active.
7 Ensure the Remote Office 9150 unit is
powered up.
8 Power the Remote Office 9150 unit off, and
then back on.
9 Contact your Nortel Networks distributor.
There might be a hardware problem.
Standard 1.0
Remote Office 9150