Step 3 After the installation, log in to the ISM. The ISM can start normally and the login dialog box of
the ISM can be displayed.
----End
5.14 Failing to Dial by the Modem
This section describes how to handle the faulty that the modem fails to dial.
Symptom
The local modem cannot be connected to the remote modem through dialing. There is no display
of successful connection of the super terminal.
Possible Causes
One of the following causes may arouse the dial failure by the modem:
l The serial port of the maintenance terminal is down.
l The PSTN is unstable.
Fault Diagnosis
You can determine the cause for the fault through the following procedure:
l Cause 1: The serial port of the maintenance terminal is down.
1. Run the dialing command, for example, atdt 02885335126.
2. If the system displays
CONNECT 33600
and no information is output, you can determine that the serial port of the maintenance
terminal is down.
l Cause 2: The PSTN is unstable.
1. Run the dialing command, for example, atdt 02885335126.
2. The maintenance terminal displays nothing and the connection can be formed after
the dialing for many times, you can determine that the PSTN is unstable.
Procedure
l Cause 1: The serial port of the maintenance terminal is down.
1. Shut down the super terminal.
2. Remove and insert the cable that connects the serial port of the modem and the serial
port of the maintenance terminal.
3. For how to form a remote connection, see the procedure in 2.4 Constructing Remote
Maintenance.
4. After the dialing is successful and the remote connection is formed, the super terminal
prompts to enter the user name and password. After the correct user name and
password are entered, the super terminal prompts successful login.
l Cause 2: The PSTN is unstable.
1. Run the dialing command for many times.
OceanStor S2600 Storage System
Troubleshooting 5 Troubleshooting of Common Faults
Issue 03 (2010-01-28) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
5-19
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