D-Link DGS-6600 Series Hardware Installation Manual page 26

DGS-6600 Layer 3 Chassis Ethernet Managed Switch Hardware Installation Guide
LEDs
The DGS-6600-CM-II uses different colored LEDs to indicate different systems status, as described in Table 1-5.
LED Indicator
Power
System
CPU Utilization
Master
USB
RS-232
Compact Flash
Color and Status
Solid Green This LED will light solid green when the Switch is powered on.
Off This LED will remain off when the Switch is powered off.
Solid Green This LED will light solid green when the Switch is operating
normally.
Solid Red This LED will light solid red when the Switch has failed.
Blinking Green This LED will blink green while the Switch is booting up or
shutting down.
Off This LED will remain off when the Switch is shut down.
Solid Green These LEDs are used to indicate the percentage of CPU
utilization. The valid values are from 30% to 100%.
Solid Green This LED will light green when the CPU module is acting as the
master management card.
Off This LED will remain off when the CPU module is acting as the
backup management card.
Solid Green This LED will light green when a user has logged into the
Switch via the USB console port.
Off This LED will remain off when the USB console port is not in
use.
Solid Green This LED will light green when a user has logged into the
Switch via the RS-232 console port.
Off This LED will remain off when the RS-232 console port is not in
use.
Blinking Green This LED will blink green when the CF card is being read or
written to.
Table 1-5 DGS-6600-CM-II LED Behavior
Description
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