ESC2420 User Guide version1.0
11
II.
Status Checkup using LED
(Step
③
of the Procedure)
LED
Action
LIGHT
Adapter is connected and system is initialized
ON
POWER
Adapter is not connected
OFF
The device is registered with a proxy server
ON
STATUS
The device is not registered with the proxy server
OFF
When only ‘WAN’ is connected
ON
WAN
When ‘WAN’ is not connected or internet service is error
OFF
When only ‘LAN’ is connected
ON
LAN
When ‘LAN’ is not connected
OFF
PSTN call is coming or PSTN backup
ON
PSTN
VoIP call mode
OFF
When the phone connected VOIP1 is off hook
ON
VOIP1
When the phone connected VOIP1 is on hook
OFF
When the phone connected VOIP2 is off hook
ON
VOIP2
When the phone connected VOIP2 is on hook
OFF