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HP ProCurve 5400zl Installation And Getting Started Manual: Testing The Switch By Resetting It; Checking The Switch Leds; Checking Console Messages

Procurve 5400zl series switches.
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Testing the Switch by Resetting It

If you believe the switch is not operating correctly, you can reset the switch
to test its circuitry and operating code. To reset a switch, either:
Unplug and plug in the power cord (power cycling)
Press the Reset button on the front of the switch
Select the reset or reboot option from the console, web browser interface,
or ProCurve Manager.
Power cycling the switch, pressing the Reset button, and the software reset
or reboot options all cause the switch to perform its power-on self-test, which
almost always will resolve any temporary operational problems. These reset
processes also cause any network traffic counters to be reset to zero and cause
the System Up Time timer to reset to zero. Neither of these reset procedures
causes any changes to the switch configuration.

Checking the Switch LEDs

The self-test passes if the Fault and Test LEDs on the front of the switch go
off after approximately 90 to 150 seconds depending on the number and type
of modules installed in the switch. If these LEDs stay on longer than 180
seconds or begin blinking, the switch, or a module, or an individual mini-GBIC
may have to be replaced as indicated by the LEDs.
See "Diagnosing With the LEDs" on
the LED patterns.

Checking Console Messages

Useful diagnostic messages may be displayed on the console screen when the
switch is reset. As described in chapter 2 under step 8, "Connect a Console to
the Switch", connect a PC running a VT-100 terminal emulator program or a
standard VT-100 terminal to the switch's Console Port and configure it to run
at 9600 baud and with the other terminal communication settings shown on
2-24. Then, when you reset the switch, note the messages that are
Hardware Diagnostic Tests
page 5-4
for information on interpreting



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