In some situations, long (>100m) fiber runs are used to bring connectivity to remote locations. A media converter can convert the fiber to PoE at the end of the run, allowing a camera to be connected there.
If multiple cameras are to be connected at the end of the fiber-optic cable, another PoE switch with SFP uplink can be used to aggregate the devices.
Fiber-to-Ethernet media converter (ideally with PoE out)
PoE injector or switch (if media converter doesn't have PoE out)
Compatible fiber switch
Compatible fiber-optic cable
Connect your Verkada camera to your media converter, with the media converter connected back to your headend switch. Connect the media converter to power. If your converter does not have PoE out, you'll need to connect it through a PoE injector.
Many media converters have lights to indicate successful fiber and Ethernet links. Also, should your fiber link go down, many converters bring down the Ethernet link as well.
Below is a Verkada D40 connected using 1000BASE-SX SFPs and OM4 multi-mode fiber.