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AT-iMG646xx Series Intelligent Multiservice Gateway and AT-EN646 Enclosure Installation Guide
21
LEDs
The AT-iMG646xx series intelligent Multiservice Gateway has four LEDs,
as shown in Figure 2 and three of which are described in Table 2.
Figure 2. Gateway LEDs
Table 2. PWR, SYST, and LAN LEDs
LED State Description
PWR On The gateway is receiving power and the voltage
is within an acceptable range.
Off The unit is not receiving power.
SYST On The unit is starting up or is malfunctioning.
Off The unit is working normally.
Flashing The gateway is downloading software and writing
it to flash memory. Do not reboot or remove
power from the unit when it is in this state.
WAN On A WAN link has been established.
Off A WAN link has not been established.
Flashing The WAN link is active.
VOIP On One or all of the VoIP lines are in use.
Off None of the VoIP lines are in use.
Flashing The VoIP network is operating.
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