Fujitsu IP-920 E/DC Hardware User's Manual page 30

Chapter 2 Installation and Connection
- Removing the device
(1) When removing two devices at the same time
Remove them by reversing the installation procedure for two devices.
(2) When removing only one device
Remove the four screws shown in the figure below.
Remove the mounting brackets (C), and then remove the device.
IP-920E/DC
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