USB 3.0 port for compatible USB devices.
WAN/LAN1 port for connecting to an Ethernet network through a
switch or router
LAN2 port for connecting to an Ethernet network through a switch
or router
LAN3 port for HA connecting.
N12000V/N12000PRO:
N12000V/N12000PRO rear panel features ports and connectors.
Connect the included power cords to these connectors
This port is for external UPS device
eSATA port for high-speed storage expansion
USB 2.0 port for compatible USB devices, such as USB disks, and
USB printers
USB 3.0 port for compatible USB devices.
WAN/LAN1 port for connecting to an Ethernet network through a
switch or router
LAN2 port for connecting to an Ethernet network through a switch
or router
LAN3 port for HA connecting.