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Security Features
The MR78 allows for physically securing the access point after installation:
1. Security screw – The accessory kit includes screws that can be used to secure the access point to the mount
cradle. Engaging the security screw prevents accidental dislodging and theft.
Ethernet Ports
The MR78 features a Gigabit Ethernet RJ45 port that accepts 802.3at and 802.3af power (labeled "Eth0, PoE"). This
port should be used for uplink to your WAN connection.
Power Source Options
The MR78 access point can be powered using either the Meraki AC Adapter, PoE Injector (both sold separately), or a
third-party PoE switch. The MR78 operates at full power with 802.3af PoE.
Factory Reset Button
If the button is pressed and held for at least five seconds and then released, the MR78 will reboot and be restored to its
original factory settings by deleting all configuration information stored on the unit.
LED Indicators and Run Dark Mode
Your MR78 is equipped with a multi-color LED light on the front of the unit to convey information about system
functionality and performance:
• Orange - AP is booting (permanent Orange suggests hardware issue)
• Rainbow - AP is initializing/scanning
• Blinking Blue - AP is upgrading
• Green - AP in Gateway mode with no clients
• Blue - AP in Gateway mode with clients
• Blinking Orange - AP can't find uplink
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