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Power-On
When power is applied, the RTU performs self-diagnostics and the PWR LED is on.
The self-diagnostics includes a power-on self-test. During the power-on self-test, all of
the LEDs turn on for one second.
TST
DSL
ETHERNET
ALMPWR
TM
97-15607
Power – green
Alarm – red
Test – yellow
Digital Subscriber Line – green
Ethernet Link – green
5216
Refer to
Troubleshooting,
page 14, for LED indications requiring action.