Extend mode makes the TT-DT10-2G-8GP+ operate as a VLAN isolation switch
where
1. Port 1 to port 8 will isolate respectively.
2. Port 1 to port 8 will only communicate with port 9 and port 10 (uplink ports).
3. 30-watt PoE transmit distance of 250m at speed of 10Mbps.