Instruction manual

1. Components Overview
37
 LED
Table 1-20 LED indications
Name Type Status Description
STATUS
LED: Green,
orange, or red
Indicates the
operating status of the
network interface unit.
Green: Operation is possible.
Orange: A reset is in progress.
Blinking green: Startup is in
progress.
Red: A failure has been detected.
Off: Power is off. (The network
interface unit can be replaced.)
#1 #2
LINK/TR
LED: Green or
orange
Indicates the
operating status of the
Ethernet port.
#6
Green: A link is established.
Blinking green: A frame is being
sent or received.
Orange: A failure has been
detected.
Off: A link failure occurred
#3 #4
or
operation has stopped.
#3 #5
#1: A network interface unit can be turned off by the Inactivate operation from the
system operation panel or by entering a command from the operation terminal.
#2: If no system recovery is set, the network interface unit is turned off in the
following situations:
z When a failure occurred in the network interface unit (the STATUS LED turns
red, and then it turns off).
z When a failure occurred in a management and switching unit (when the
management and switching unit is not duplicated).
#3: When the STATUS LED is green.
#4: Cable disconnection is also included.
#5: Operation of an Ethernet port can be stopped by entering a command from the
operation terminal.
#6: Always turns off if the interface port LED is set to off. When an operation key on
the system operation panel is used, the LED lights up, and the operating status can
be checked. If no keys are used for 60 seconds, the LED turns off again.
NOTE
If no system recovery is set and a failure occurs in a Switch, the
Switch can stay stopped without recovering the failed part.
This function is supported by software version 10.3 and later.