F5 ARX-500 Hardware Reference Manual page 62

Chapter 4
Switch Hardware and Functionality
4 - 8
Table 4.3 ARX-500 Front Panel LEDs (Continued)
Callout LED
e System fault
f System ID
ARX-500 ACM Status LEDs
There are additional status LEDs on the right side of the rear panel that
apply to the ACM board only (not the chassis as a whole):
• ARX-500 NVRAM LED
The following table lists the colors and states for the non-volatile RAM
(NVRAM) LED, also known as the battery-charging LED. These are
labeled NVR.
Table 4.4 ARX-500 NVRAM LED
LED Color Description/Action
Yellow Battery-backup mode.
Off Not in battery-backup mode.
• ARX-500 alarm and status LEDs
The combined states of the Alarm (ALM) and Status (STAT) LEDs
indicate the status of the ACM. The following table lists these colors and
states.
Table 4.5 ARX-500 ACM Alarm LED Patterns
Alarm Status
(Off) Green
Red Green (Blinking)
Function
• Solid green indicates normal operation.
• Blinking green indicates degraded
performance.
• Solid yellow indicates a critical or
non-recoverable condition.
• Blinking yellow indicates a non-critical
condition.
• No light indicates POST is running or
the system is off.
Blinking blue indicates system
identification is active.
No light indicates system identification is
not activated. Use this to help find the
chassis in a densely-populated rack.
Press the ID button on the front panel to
activate the LED on the rear panel.
Module State
Online.
ACM failed or is powering down.