Dell PowerVault DP600 - Manual (Page 150)

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Troubleshooting Your System
Troubleshooting Basic I/O Functions
Problem
• Error message indicates a problem with a serial port.
• Device connected to a serial port is not operating properly.
Action
1 Enter the System Setup program and ensure that the serial port is enabled
and configured correctly for your application. See "Using the System Setup
Program" on page 47.
2 If the problem is confined to a particular application, see the application
documentation for specific port configuration requirements that the
program may require.
3 Run the appropriate online diagnostic test. See "Using Server
Administrator Diagnostics" on page 173.
If the tests run successfully but the problem persists, see "Troubleshooting
a Serial I/O Device" on page 150.
Troubleshooting a Serial I/O Device
Problem
• Device connected to the serial port is not operating properly.
Action
1 Turn off the system and any peripheral devices connected to the serial
port.
2 Swap the serial interface cable with a working cable, and turn on the
system and the serial device.
If the problem is resolved, replace the interface cable. See "Getting Help"
on page 185.
3 Turn off the system and the serial device, and swap the device with a
comparable device.
4 Turn on the system and the serial device.
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