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23
Configuring the Interface Expander
continued
Testing the
Interface
Expander
To check the operation of the Interface Expander, perform
the following steps in the order given.
1 Confirm that the UPS in on and that the battery is
fully charged.
2 Verify that the Interface Expander has been
installed, connected, and configured.
3 Confirm that all connected servers and devices are
on and running their power management software
with power management screens visible, if appli-
cable.
4 Confirm that the status LED on the Interface
Expander is on, indicating normal operation.
5 Simulate a utility power failure.
6 Confirm that the status LED of the Interface
Expander is mostly on with a single blink off, indi-
cating that the Interface Expander is sending an
On Battery signal to the connected servers or
devices. See “Status LED: Table 2” on page 6.
7 Confirm that all connected servers and devices
have received the On Battery message from the
Interface Expander.
8 Restore utility power.
9 Confirm that all connected servers and devices
have received the message that utility power has
been restored.
Note
: To check the shutdown mode of your config-
uration, keep the utility power off long
enough to allow all connected servers and
devices to shut down. After all connected
servers and devices have shut down, restore
power and verify that they all restart.