Instruction manual

1. Components Overview
16
Num
ber
Name
Type
Description
Details
(13)
MODE
Button
(momentary)
Mode button
Changing the LED indication modes from
(14) to (17) by pressing this button.
(The order is as follows: LINK > SPEED >
FDX > EX > LINK...)
(14)
LINK
Green LED
Corresponding LED
indication mode is selected
for the Ethernet ports.
Lit in green: LINK mode is selected.
(15)
SPEED
Green LED
Lit in green: SPEED mode is selected.
(16)
FDX
Green LED
Lit in green: DUPLEX mode is selected.
(17)
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.
#2: Not supported.
When attempting to push the RESET button, do not use a tool with a fragile tip, a
pin or a paper clip, which can be caught or dropped inside the switch and will not be
taken out. A fire or an electric shock might be caused.
Table 1-9 Operating status in a specific LED indication mode (LINK mode)
Num
ber
Name
Type
Description
Details
(7)
LINK
Green/Orang
e LED
Indicates the operating
status of an SFP slot
Ethernet port.
Lit in green: A link is established.
Lit in orange: Detecting line disturbances.
Off: A link failure or block when the green
ST1 LED is lit.
(8)
T/R
Green LED
Blinking green: A link is established and
frames are being sent or received.
Off: The device is in any other status except
sending or receiving when the green ST1
LED is lit.
(9)
LINK
Green/Orang
e LED
Indicates the operating
status of an XFP slot
Ethernet port.
Lit in green: A link is established.
Lit in orange: Detecting line disturbances.
Off: A link failure or block when the green
ST1 LED is lit.
(10)
T/R
Green LED
Blinking green: A link is established and
frames are being sent or received.
Off: The device is in any other status except
sending or receiving when the green ST1
LED is lit.