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Troubleshooting 47
5.
Ask the customer if the UTP CAT5 cables being used are the correct cable length ("Connection
length table" on page 74).
6. Ask the customer if the standard UTP CAT5 cables supplied by HP are being used. The cables being
used must be unshielded twisted pair, utilizing all four pairs of wires.
7. Ask the customer if an expansion module is being used, and if so to be sure that the console switch
is connected to the IN port on the expansion module. The OUT ports on the expansion module
should be connected to the attached servers by interface adapters.
When the cascaded console switch configurations are not correct
1. Ask the customer to be sure that the console switch configurations ("Replacing the console switch" on
page 28) are correct.
2. Ask the customer to be sure that the cascade configurations ("Cascading console switches" on page
62) are correct.
3. Ask the customer to be sure that the cascaded console switches are powered on.
IMPORTANT: While updating the firmware, do not power off the console switch or attempt any
operations.
4. Ask the customer to be sure that the cascaded console switches ("Updating the cascaded console
switch firmware" on page 59) and all attached interface adapters ("Updating the interface adapter
firmware" on page 60) have updated firmware.
When the console switch password is lost
Ultimate responsibility for data security must be enforced by the customer. If the customer sets and
subsequently loses a password, escalate to EPR (the highest level of escalation).
When the expansion module is not being recognized by a Compaq Server
Console Switch
Ask the customer if an expansion module ("Replacing the expansion module" on page 42) is being used
in combination with a cascaded Compaq Server Console Switch. An expansion module is considered a
level of cascading ("Cascading console switches" on page 62) and therefore cannot be used in
combination with a Compaq Server Console Switch.
When the local user cannot activate or view the OSD and the OSD flag
disappears
Ask the customer to be sure that the local keyboard is connected properly and that the keyboard is valid.
When the local user cannot view the OSD copyright notice
1. Ask the customer to be sure that the power source is valid.
2. Ask the customer to be sure that the cable connections are correct ("Are the cable connections
correct?" on page 45).
3. Ask the customer to be sure that the monitor is valid.