Instruction manual

1. Components Overview
21
 Front view
The front view is shown below.
For information about LEDs, see Table 1-13 LED indications.
Figure 1-18 Front view
(1) STATUS LED
(2) LINK/TR LED
(3) Ethernet port (10/100/1000BASE-T)
 LED
Table 1-11 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 basic control unit (when the basic control 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