Artel DigiLink DLC170, Установка и эксплуатация

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DLC170 Function Modules Installation and Operations Manual 31
Understanding and Using the DLC170DA
Understanding the DLC170DA Status LEDs
Table 11 describes the different states of the DLC170DA status LEDs as shown in Figure 19 .
Table 11. DLC170DA Status LEDs
LED Indicates . . . State Description Alarms Action
OK
(also
located on
the rear
panel (see
Figure 10
))
The DLC170DA
status Off If power is applied to the system,
an internal fault with the
DLC170DA may exist. None Replace the DLC170DA.
Green Normal operation. None None.
Yellow RX status LED may provide fault
information.
If no other status LEDs indicate a
minor alarm, then a temperature
alarm is indicated. Minor Address the problem
indicated by the RX
status LED if one exists. If
not, check that there is
adequate inlet and
exhaust airflow.
Red Major alarm exists and requires
immediate attention. TX, RX, or
VIDEO status LEDs may provide
more information on the fault.
The alarm may also be the result
of an internal error. Major Address the problem
indicated by the TX, RX,
or VIDEO status LEDs if
one exists. If not, replace
the DLC170DA.
EMS Element
Management
System status Off The DLC170DA module is in local
mode and its configuration is
controlled by the onboard
configuration switches. None None.
Green The DLC170DA module is in
remote mode and the
configuration has been set by
the EMS. When in remote mode,
the actual configuration of the
module will likely not match the
settings of the configuration
switches and changing the
configuration switches will have
no effect on the module
operation. None None.