Acer Altos R720 Series - Manual (Page 25)

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* For more information on how to troubleshoot during a system hang, refer to the
Diagnostic POST Code table on page 149.
C System ID
indicator ID Blue, on System identification is
active.
Blue, off System identification is
disabled.
D System
status/fault
indicator Ready Green, on System booted and ready.
Degraded Green,
blinking CPU or DIMM disabled.
Critical
condition Amber, on Critical power supply,
blower, voltage, or
temperature failure.
Non-
critical
condition Amber,
blinking • Redundant power
supply or blower
failure.
• Non-critical blower,
voltage, and
temperature failure.
E LAN port
indicators
(left) Speed Green/
Amber, Off
10 Mbps connection
Green, On 100 Mbps connection
Amber, On 1000 Mbps connection
(right) Status Green, On Network link is detected.
Green, Off No network connection.
Green,
Blinking Transmit or receive
activity.
Item
LED
indicator Function/
Status
Color Description