Allied Telesis AT-iMG606BD - Manual (Page 24)

Chapter 1: Overview
24
System LEDs
The system-level LEDs are shown in Figure 6 and
described in Table 3.
Figure 6. System LEDs
381
Power
System
WAN
VoIP
Table 3. System LEDs
LED State Description
PWR On The gateway is receiving power and the
voltage is within the acceptable range.
Off The unit is not receiving power.
SYST On The unit is starting up or is
malfunctioning.
Off The unit is functioning normally.
Blinking (4 flashes
followed by 1
second off.) The unit is downloading a new version of
the management firmware.
Blinking (2 flashes
followed by 1
second off.) The unit is writing a new version of the
management firmware to flash memory.
WAN On The unit has established a link on the
fiber optic WAN port.
Off The unit has not established a link on the
fiber optic WAN port.
Flashing The WAN link is active.
VOIP ---- Not supported.