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Replacement
1. Ensure that power to the host system is set to
XR900 power cord is disconnected from the AC or DC power
source.
2. Note the device address setting on the drive you are
replacing, and set the address switch on the new drive to the
same device number.
3. Slide the replacement drive module gently into the drive bay
until it contacts the backplane connector.
4. Use firm steady pressure to seat the drive connector in the
backplane.
5. Reinstall the XR900 bezel, if the installation includes one.
6. Reconnect theXR900 chassis to the AC or DC power source:
– If the power supply is an AC unit, plug the power cord
– If the power supply is a DC unit, plug the DC connector
back into the module and the AC outlet.
into the power supply input and turn the –48Vdc power
source back on.
3 1/2- or 5 1/4-Inch Drive Modules
STANDBY
and the
4
4-11
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