User`s manual
27 
N6850: 
The N6850 rear panel features ports and connectors. 
  Back Panel 
Item 
Description 
1.Power Connector 
 Connect the included power cords to these connectors 
2.Serial Port 
 This port is for external UPS device 
3.eSATA Port 
 eSATA port for high-speed storage expansion 
4.USB Port 
 USB 2.0 port for compatible USB devices, such as USB disks, and 
USB printers 
5.USB Port 
 USB 3.0 port for compatible USB devices. 
6.WAN/LAN1 Port 
 WAN/LAN1 port for connecting to an Ethernet network through a 
switch or router 
7.LAN2 Port 
 LAN2 port for connecting to an Ethernet network through a switch 
or router     
8.HDMI Port 
 For Video/Audio out 
9.Line in 
 For Audio in 
10. Line out 
 For Audio out 
11. Mic input 
 Microphone input 
12. User GPIO 
 Could define each GPIO (0~7) and implement its own 
functionality. 










