Avaya (109352-E, Manual do Utilizador Página 41

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Installing the Backbone Link Node
109352-E Rev. A 1-13
LED Activation Sequence
The LEDs on the front panel of the BLN (Figure 1-5) activate while the BLN
initializes and runs through its diagnostic test.
Figure 1-5. BLN Front-Panel LEDs
The LEDs typically activate in the following order (the sequence may vary
slightly or overlap):
1. The POWER and DIAG LEDs turn on.
When on, the POWER LED indicates that the power supply voltages are
all within normal limits.
When on, the DIAG LED indicates diagnostic testing on one or more
modules. After a successful test, the DIAG LED turns off. The DIAG
LED remains on if a diagnostic test does not end successfully for any
given slot.
2. The BOOT and RUN LEDs turn on.
When on, the BOOT LED indicates the initialization and loading of
software by one or more modules.
When on, the RUN LED indicates that system software is running on one
or more modules. The RUN LED remains on while the BLN is operating
normally.
RESET
POWER
RUN
BOOT
DIAG
Indicates power OK
Indicates router software is executing
Indicates one or more slots are booting
Indicates diagnostic test
execution or node failure
Initializes (boots) the system
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