Instruction manual

5. Expansion, Replacement and Removal
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5.3 Expansion, Replacement and Removal of Main
Devices
This section describes the procedures for installing or uninstalling the main device.
Follow the steps shown in Figure 5-1 Steps to Uninstall the Device to uninstall the device. For installations, perform
the steps in reverse.
The figures below show the AC power model with the external power unit (EPU). The same
procedures are applicable to the AC (PoE) model with the EPUs.
Skip steps 1, 3 and 6 in the cases below. Perform only steps 2, 4 and 5.
• AC power and AC (PoE) models without EPU
• DC power and power redundancy models