4
Figure 3-3 Ports (2)
Table 3-1 Port description
No.
Name
Description
1
Power indicator light
The light turns on when the box is powered on.
2
TF card slot
Insert a TF card. The TF card is used to force update the
Android OS or provide media for projects. A force update
is needed when the Android OS restarts repeatedly or
the box cannot be started.
●
You cannot use the TF card to store data on the box.
●
Contact the technical support if your box needs a
force update.
3
IREX port
Connects to the infrared extension cable.
4
RS-232 port
DB9 RS-232 serial port for communication and
debugging.
5
Wi-Fi antenna
Receives Wi-Fi signals.
6
Operation status
indicator light
●
The light turns on when the box runs normally.
●
The light flashes when the box malfunctions.
7
IR port
Receives IR signals from the remote control.
8
RS-232 port
RJ-45 RS-232 serial port for communication and
debugging.
9
Power port
Connects to 12 VDC power adapter.
10
Audio jack
Connects to a 3.5 mm headphone to output audio
signals.
11
HDMI port
Outputs signals to devices that support HDMI to play
projects.
12
USB 2.0/OTG
Connects to the mouse, USB storage devices and other
types of devices. You can switch the USB mode to OTG.
13
USB 2.0
Connects to mouse, USB storage devices and other
devices.
14
Network port
Connects to the network cable.
15
Reset button
Contact customer service to use the button to restore the
box to its factory settings or reset the password.
