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The RPU Module 17
Indicators and Button
Figure 6 Front panel of the RPU
Table 3 RPU Indicator LEDs and button
LED and Button Description
RUN (green) RPU System operating LED. Blinking means CPU is in normal
operation; steady ON or OFF means CPU has failed.
FAN Steady ON means the FAN module is operating
normally.
PWR1 Steady ON means the PSU 1 is operating normally, and
steady OFF means the PSU 1 is not present or has failed.
PWR2 Steady ON means the PSU 2 is operating normally, and
steady OFF means the PSU 2 is not present or has failed.
ALM (red) RPU ON means CPU has received an alarm signal, such as
PSU or FAN alarm (due to over temperature, for
example).
FAN ON means the FAN module is not present or its rotation
is blocked.
PWR1 ON means the PSU 1 has failed.
PWR2 ON means the PSU 2 has failed.
RESET The RPU hardware reset button.
10/100/1000
Mbps interface
LED
LINK
(green)
OFF means no link is present and ON means a link is
present.
ACT
(yellow)
OFF means no data is being transmitted or received on
the interface and blinking means data is being
transmitted or/and received.