5. Enter at, press Enter, and the interface displays:
OK!
6. Execute the following AT commands orderly, and the specific command format and the
displayed information after executing the command are:
Enter asts0=1, and press enter. The interface displays:
OK!
Enter at&d0, and press enter. The interface displays:
OK!
Enter at&w, and press enter. The interface displays:
OK!
Enter at&w&w1, press enter. The interface displays:
OK!
Step 2 Set a near-end modem.
To set a near-end modem, do as follows:
1. Connect the serial port of the near-end modem to the serial port of the maintenance terminal
with a serial port cable, and connect the LINE port of the near-end modem to the PSTN
with a telephone cable.
2. Run the HyperTerminal, and execute the operation 2 to 4 in Step 1.
3. Enter at, press enter, and the interface displays:
OK!
4. Set the initial parameter.
Enter AT&f&w, and press enter. The interface displays:
OK!
Step 3 Establish a remote management environment.
CAUTION
Before establishing a remote management environment, confirm that the remote modem is
disconnected from the storage devices. Otherwise, the serial port will be hung up because a large
amount of data is transmitted during modem dialup. When both the remote modem and the near-
end modem successfully dial up to the network, connect the remote modem to the storage devices
with a serial port cable.
1. Run the HyperTerminal on the maintenance terminal, and execute operation 2 to 4 in Step
1.
2. Enter at, press Enter, and the interface displays:
OK!
3. Enter atdt 028XXXXXXXX and press Enter to dial up. When the remote modem and
near-end modem successfully dial up to the network, the interface displays words
CONNECT baud rate. (For modems from different manufacturers, the interface displays
different baud rates.)
OceanStor S2600 Storage System
Troubleshooting 2 Troubleshooting Preparation
Issue 03 (2010-01-28) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
2-7
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