Cisco Meraki MR72 Hardware Installation Manual page 12

The MR72 is Gigabit Ethernet-capable. To maximize device
performance, a Gigabit Ethernet-capable switch should be used.
4.2.3.5 Attach Power over Ethernet to the MR72
1. Remove the dust cover from the Ethernet port of the MR72.
Unscrew it with a coin or flathead screwdriver.
2. Route the Ethernet cable from the PoE Injector "OUT" port to
the MR72.
3. Install a cable gland on the MR72 end of the cable.
4. Plug the Ethernet cable into the Ethernet port of the Meraki
MR72.
a. Connect the cable to the Ethernet port on the MR72.
b. Screw the gland body into the threaded hole of the port.
Use an adjustable wrench to make sure the gland body is
fully seated in the hole.
c. Insert the split ring gasket into the gland body.
d. Screw the cap tightly onto the gland. You may need a
wrench to fully tighten the cap, but take care not to
damage the cable in the process.
Optional: Make the MR72 a gateway
1. Connect an active internet connection to the "IN" port of the PoE
injector.
4.2.3.6 Attach Grounding Strap
Connect one end of grounding strap to grounding post with included
screw and washer. Securely attach the other end nearby metal
structure.