14
EX Controller Installation Guide
1 and 2 Unit with Power 1
and Power 2
connectors
Green, blinking, 1
cycle per second,
50% duty
Unit is being
restarted
Green, steady ON Unit is restarted
One LED Red,
steady ON
No current or failing
power supply on the
Power connector
Both LEDs OFF No current or failing
power supply on both
Power connectors
Green, rapidly
blinking
No WAN connectivity
3 Ready Green, steady ON All lines are enabled
(operational state)
Green, steady OFF All lines are disabled
(operational state)
Blinking 1 cycle per 4
seconds, 75% duty
At least one line is
enabled and at least
one line is disabled
(operational state)
4 In-Use OFF Lines idled and
unlocked
Yellow, steady ON Lines in use and
unlocked
Yellow, blinking
yellow, 1 cycle per
second, 50% duty
Locked
5 Link Green, steady ON Indicates that the PRI
port is well connected
OFF Indicates that the PRI
port is not connected
# LED BEHAVIOUR CONDITION