3Com SuperStack 3 4400 SE 3C17206 Getting Started Manual page 18

18 C 1: I
HAPTER NTRODUCING THE
S S 3 S
UPER TACK WITCH
LED Color
Port LEDs — Power over Ethernet mode (3C17205 only)
Packet Green
Green flashing Exceeded port power limit (overCurrent MIB state) or unable
Yellow
Off
Status Yellow flashing Power over Ethernet POST error on port. Flash rate is 4 Hz
Module LEDs
Packet
Status
Off
Yellow flashing
(fast)
Unit LEDs
1–8 Green
Green/Yellow
rotational
Green
flashing
Off
Port LED Status LED (3C17205 only)
Green
Yellow flashing Port LEDs are operating in normal mode. One or more ports
Off
Power Utilization LEDs (3C17205 only)
Green
4400
Indicates
Power is being delivered to the port.
to supply power due to unit over budget (denyLowPriority
MIB state).
Power over Ethernet error, no power supplied on port.
No power is being delivered.
Refer to the user documentation accompanying the module,
if installed.
Refer to the user documentation accompanying the module,
if installed.
There is no module installed in the expansion module slot.
The module has failed and has been automatically disabled.
The Switch passes its Power On Self Test and continues to
operate normally even if one or more modules are disabled.
When the Switch forms a stack with other Switch 4400
units, the LED indicates the position of the unit in the stack
and that a link is present.
When the Switch is stand-alone and not part of a stack, LED
1 is on.
When a software upgrade is in progress, the LEDs of the unit
that is being upgraded 'rotate' in an clockwise and
anti-clockwise sequence.
The Switch physically forms a stack with other Switch 4400
units, but cannot be managed as part of that stack until all
units have been upgraded to software version 2.0 or later.
A fault has occurred.
Port LEDs are operating in power mode
has a Power over Ethernet error.
Port LEDs are operating in normal mode.
4 LEDs showing total power being delivered as a percentage
of maximum possible.