ZyXEL Communications GS1910, User Manual

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Chapter 3 Hardware Overview
GS1910/XGS1910 Series User’s Guide
22
3.3 LEDs
The following table describes the LEDs.
Table 2 LEDs
LED COLOR STATUS DESCRIPTION
PoE
(GS1910-
48HP
only) Green On Each Ethernet port’s LED is changed to act as a PoE LED
by using the LED MODE button on the front panel.
Off Each Ethernet port’s LED is changed back to act as a
LNK/ACT LED by using the LED MODE button on the
front panel.
STACK
(XGS191
0-24 and
XGS1910
-48 only) Green On The Switch is acting as the master in stacking.
Amber On The Switch is acting as the backup master device in
stacking.
Blinking The Switch is acting as a slave member in stacking and
is being selected by the master in its web configurator
stack screen.
Off The Switch is not working in stacking mode.
PWR Green On The system is turned on.
Off The system is off.
SYS Green Blinking The system is rebooting and performing self-diagnostic
tests.
On The system is on and functioning properly.
Off The power is off or the system is not ready/
malfunctioning.
ALM Red On There is a hardware failure.
Off The system is functioning normally.
10/100/1000 Mbps RJ-45 Ports
LNK/ACT
Green Blinking The system is transmitting/receiving to/from a 10/1000
Mbps Ethernet network.
On The link to a 10/1000 Mbps Ethernet network is up.
Amber Blinking The system is transmitting/receiving to/from a 100
Mbps Ethernet network.
On The link to a 100 Mbps Ethernet network is up.
Off The link to an Ethernet network is down.
PoE
(GS1910-
24HP and
GS1910-
48HP
only) Green On Power supplied to all PoE Ethernet ports meets the IEEE
802.3at standard.
Amber On Power supplied to all PoE Ethernet ports meets the IEEE
802.3af standard.
Off There is no power supplied.
SFP Slots