Instruction manual

1. Components Overview
27
Figure 1-25 Front view
(1) STATUS LED
(2) LINK/TR LED
(3) SEL LED
(4) Ethernet port (10/100/1000BASE-T)
(5) Ethernet port (1000BASE-X)
 LED
Table 1-15 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
SEL LED: Green
Indicates the line type
selected for each
Ethernet port, 1 to 4
#6
.
Green: 10/100/1000BASE-T is
being selected.
Off: 1000BASE-X is being
selected.
#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