Up to 30 devices can be daisy-chained using the ETH2 port. When all devices are powered, cable lengths of up to 100 m (330 ft) between devices are supported.
The devices have a bypass switch that allows them to continue relaying data after losing power. In a power failure scenario, the maximum cable length is reduced by 15 m (50 ft) for each bypassed device. For example, in the diagram above, if #2 and #3 lose power, #4 can continue to receive data from #1 as long as the total cable length between them (A + B + C) does not exceed 70 m (230 ft).
If you are using both Ethernet ports, note the following: you must unplug both cables or reboot your O3 device to get a new IP address from a DHCP server.
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