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Appendix A: LED Indicator Explanations
HDD Activity
If this LED blinks, it indicates data access activities; otherwise, it remains off.
B
l
i
n
k
i
n
g
A
m
b
e
r
Data access activity
B
l
i
n
k
i
n
g
A
m
b
e
r
Off
No data access activity
System Status
This LED indicator is programmable. You could program it to display the operating status of the
behaviors described below:
Solid Green
Defined by GPIO
Solid Red
Defined by GPIO
Off
Defined by GPIO
System Power
Solid Green
The system is powered on
Off
The system is powered off
LTE Status
B
l
i
n
k
i
n
g
A
m
b
e
r
Link has been established and there is activity on this port
B
l
i
n
k
i
n
g
A
m
b
e
r
S
o
l
i
d
A
m
b
e
r
Link has been established and there is no activity on this port
S
o
l
i
d
A
m
b
e
r
Off
No link is established
L1-L5 LAN Port
Link Activity
B
l
i
n
k
i
n
g
A
m
b
e
r
Link has been established and there is activity on this port
B
l
i
n
k
i
n
g
A
m
b
e
r
S
o
l
i
d
A
m
b
e
r
Link has been established and there is no activity on this port
S
o
l
i
d
A
m
b
e
r
Off
No link is established
Speed
S
o
l
i
d
A
m
b
e
r
Operating as a 100-Mbps connection (1000 Mbps)
S
o
l
i
d
A
m
b
e
r
Solid Green
Operating as a Gigabit connection
Off
Operating as a 10-Mbps connection
69
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