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EMC Connectrix B Series v6.2 ED-DCX-4S-B Hardware Reference Manual
Diagnostics and Troubleshooting
Diagnostics
Diagnostic tests are automatically run during POST to check the
status of the ED-DCX-4S-B. Any error messages generated during
POST are sent to the error logs and to the serial console, if connected.
Diagnostic tests can also be run manually to test and troubleshoot the
hardware and the firmware, including internal connections and
circuitry, transceivers, and port cables. However, diagnostic tests are
generally intended for use by support personnel.
Note: Error messages do not necessarily indicate that the ED-DCX-4S-B
requires maintenance.
Each diagnostic test can be implemented by entering the related
command through a Telnet or serial session. For a list of diagnostic
tests and commands, refer to the EMC Connectrix B Series Fabric OS
Administrator’s Guide. All diagnostic tests are run at link speeds of 1,
2, 4, and 8 Gbps. They might temporarily lock the transmit and
receive speeds to a specific speed. Some diagnostic tests require
interconnecting the ports to each other or using loopback plugs. If
ports are interconnected, the media (cables and transceivers) at each
end of the connection must be of the same type. For example, short
wavelength media must be connected to short wavelength media,
and likewise with long wavelength media and copper media.
For more information about diagnostic tests and how to run them,
refer to the EMC Connectrix B Series Fabric OS Administrator’s Guide
and the EMC Connectrix B Series Fabric OS Command Reference. For
information about system error messages (errShow or errDump),
refer to the EMC Connectrix B Series Fabric OS Troubleshooting and
Diagnostics Guide.
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