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5. LED Indicators
LED
10/100
Ethernet
LOOP/RING
Device
Label
Description
LNK/ACT
On
Off
Flash
100Mbps
On (LNK is on)
Off (LNK is on)
FXS
On
Off
Flash
FXO
On
Off
Flash
Alarm
The red light "On" indicates that system has
some problem; please contact your vender.
Power
"On" indicates that the power supply is
working normally.
CPU/ACT
"On" indicates that the CPU is working
normally.
Registered "On" indicates that all SIP entities are
registered successful.
"Off" indicates that all SIP entities are
registered fail.
"Flash" indicates that one of these SIP
entities is registered fail.
STUN
"On" indicates communicate with STUN
Server once.
"Off" indicates never communicate with
STUN Server.
Link up
Link down
Sending/Receiving
data packets
100Mbps
10Mbps
Off hook
On hook
Ringing out
Line is active
Line is inactive
Ringing in
8
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