26 ports Ethernet PoE Switches (24 POE) UN-NSW202024T1GCPOEIN-NB working mode:
Default (Normal mode): All ports can communicate with each other.
VLAN (Secure mode): Downlink ports can communicate only with uplink ports. Enabling PD keepalive function, the switch will restart the IPC via PoE power when the IPC sends no message in a period of time.
Extend(Surveillance mode): Transmission distance up to 250 meters. Downlink ports can communicate only with uplink ports.