Reference Guide

9
LED
Color/Status
Description
STA
Green/Blinking
The system is running normally.
Off
The system has not been booted/is
booting/has failed to boot.
WLAN
Green/Always on
The device has detected a built-in
WLAN module present.
Green/Blinking
WLAN is in data receiving and
sending state
4G
Green/Always on
The device has detected a built-in
4G module
Green/Blinking
4G module is in data receiving and
sending state.
LNK
Green/Always on
The link between this port and its
peer device is in normal status.
Off
The link between this port and its
peer device has failed or there is no
connection.
ACT
Yellow/Always on
The link between this port and its
peer device is in normal status.
Yellow/Blinking
The port is sending or receiving
data.
Off
No data is transmitted on this port.
Notes:
 The STA LED will remain OFF when there is a boot failure caused by OS software
damage. Contact your sales representative if this occurs.
 As the number and type of LED indicators may vary from different product models,
please refer to the actual product.
System Parameters
The following table lists the system parameters of A200-Series devices.