11
Status LEDs
After a successful self-test, the LEDs should appear as indicated in
BOLD
in the
Condition column below.
Label
Indication
Color
Condition
System LEDs
OK
Power and
Operational
Status
Green
ON
– The unit has power.
OFF – The unit is in a power-on self-test, or
there is a failure.
ALM
Operational
Alarm ( Fail)
Red
ON – The unit has been reset, or an error has
been detected.
OFF
– No failures have been detected.
TEST
Test Mode
Yellow
ON – A loopback or test pattern is in progress,
initiated locally, remotely, or via the network.
OFF
– No tests are active.
Network LEDs
FR
LMI Status
Green
ON
– The LMI is up.
OFF – The LMI is down.
DSL
DSL Link
Status
Green
ON
– The DSL link is ready to transmit and
receive data.
OFF – The DSL link has not been established.
Port LED
OK
Port Status
Green
ON
– The user data port is up and ready for
operation.
OFF – No device is detected on the user data
port.
Summary of Contents for iMarc DSL 9720 CSU/DSU
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