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10 AT-iMG616RF/RF+ Series Multiservice VoIP Gateway - User Manual
3. Product Details
3.1. Top view of Unit
FIGURE 3: TOP VIEW
TABLE 2: POWER/SYSTEM LED INDICATIONS IMG616RF/RF+
Led State Function
Power
Green light on
The device is receiving power
and the voltage is within the
acceptable range
Red light off
The system is working
normally
Red light on
The unit is starting up or is
malfunctioning
Red light flashing
(4 flashes followed by 1 second
off)
The unit is downloading the
software
System
Red light flashing
(2 flashes followed by 1 second
off)
The unit is writing the
software into flash