LTE-LINK SE user's Guide
6
HDMI video input
Fan machine
Antenna ANT1
Antenna ANT2
TF memory card
Figure 3- 3
3.2.2 Hardware and interface description
OLED display screen
：
Display LTE-LINK SE system status information.
SIM card slot
：
Used to access the SIM card.
Power status light
：
Indicates the current power supply situation of the device. If the
indicator is found to be off after power-on, it indicates that the power supply of the
device is abnormal.
System status light
：
When system normal operation indicator and the system is in
normal operation state, the indicator flashes at a frequency of 1s.
NIC status light
：
Indicates the current network status of the 4G network card. When it
flashes twice continuously within 1s, it means that the current network card is not
inserted into the SIM card or the inserted SIM card cannot connect to the network
service; when it flashes once within 1s, it means the current network card has been
inserted to the SIM card which is capable of connecting to the network ; when it is
always on, it indicates that the network card has successfully dialed in and the device
can use network services through the 4G network.
Power connector
：
Power supply for equipment.
Button
：
Used for account device binding, device CID QR code display and device
system restoration.
