Instruction manual

1. Components Overview
8
Table 1-3 LED indications, switches and connectors
Num
ber
Name
Type
Description
Details
(1)
PWR
Green LED
Indicates the power supply
status.
Lit in green: Powered-on.
Off: Powered-off or a failure with a power
supply unit.
(2)
ST1
Green/Red
LED
Indicates the device
status.
Lit in green: Standing by or operating.
Blinking green: Getting ready (starting up).
Blinking red: Partial failure with the switch
Lit in red: Fatal failure in the device
(operation cannot continue)
Off: Powered-off or a failure with a power
supply unit.
(3)
ST2
Green LED
(Not used)
Off
(4)
MC
Connector
Memory card slot
Memory card slot
(5)
ACC
Green LED
Indicates the memory card
status.
Lit: Accessing the memory card. (Do not
remove the memory card.)
Off: Memory card is in idle mode. (The
memory card can be removed.)
(6)
CONS
OLE
Connector
CONSOLE port
RS-232C port to connect a console
terminal.
(7)
LINK
Green/Orange
LED
Indicates the operating
status of an SFP slot
Ethernet port.
What these LEDs mean depends on the
selected LED indication mode from (12) to
(15) below.
For meanings of LED indications, see Table
1-4 Operating status in a specific LED
indication mode (LINK mode) to Table 1-6
Operating status in the specific LED
indication mode (DUPLEX mode).
(8)
T/R
Green LED
(9)
1-24
Green/Orange
LED
Indicates the operating
status of a
10/100/1000BASE-T
Ethernet port.
(10)
RESET
Button
(momentary)
Manual RESET button of
the device
#1
Restarts the device.
(11)
MODE
Button
(momentary)
Mode button
Changing the LED indication modes from
(12) to (15) by pressing this button.
(The order is as follows: LINK > SPEED >
FDX > EX > LINK...)
(12)
LINK
Green LED
Corresponding LED
indication mode is
selected for the Ethernet
ports.
Lit in green: LINK mode is selected.
(13)
SPEED
Green LED
Lit in green: SPEED mode is selected.
(14)
FDX
Green LED
Lit in green: DUPLEX mode is selected.
(15)
EX
#2
Green LED
Lit in green: Extension mode is selected.
#1: The switch is behind the front panel. Use a small-head screwdriver to press it.