Leds; Reset To Factory Defaults - ZyXEL Communications GS1920 series User Manual

3.3 LEDs

After you connect the power to the Switch, view the LEDs to ensure proper functioning of the
Switch and as an aid in troubleshooting.
Table 3 LED Descriptions
LED COLOR
PoE Green
(GS1920-48HP
only)
PWR Green
SYS Green
ALM Red
LOCATOR Blue
Ethernet Ports
1-24 (GS1920- Green
24/24HP) and
1-48 (GS1920-
48/48HP)
Amber
LNK/ACT
PoE Green
(GS1920-24HP
Amber
and GS1920-
48HP only)
Mini-GBIC Slots
25-28 Green
(GS1920-24/
24HP) and 45-
50 (GS1920- Amber
48/48HP)
SFP

3.4 Reset to Factory Defaults

If you forget your password or cannot access the Web Configurator, you will need to use the Reset
button at the side of the device to reload the factory-default configuration file. This means that you
will lose all configurations that you had previously and the default Switch IP address, user name
and password will be reset to 192.168.1.1, admin and 1234 respectively.
Chapter 3 Hardware Panels
STATUS DESCRIPTION
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
releasing the LED MODE button on the front panel.
On The system is turned on.
Off The system is off or has failed.
On The system is on and functioning properly.
Blinking The system is rebooting and performing self-diagnostic tests.
Off The power is off or the system is not ready/malfunctioning.
On A hardware failure is detected.
Off The system is functioning normally.
Blinking Shows the actual location of the Switch between several devices in a rack.
Blinking The system is transmitting/receiving to/from a 10 Mbps or a 1000 Mbps
Ethernet network.
On The link to a 10 Mbps or a 1000 Mbps Ethernet network is up.
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.
On Power supplied to all PoE Ethernet ports meets the IEEE 802.3at
standard.
On Power supplied to all PoE Ethernet ports meets the IEEE 802.3af standard.
Off There is no power supplied.
On The uplink port is linking at 1000 Mbps.
Blinking The system activity is transmitting/receiving data 1000 Mbps.
On The uplink port is linking at 100 Mbps.
Blinking The system activity is transmitting/receiving data 100 Mbps.
Off There is no link or port, the uplink port is shut down.
GS1920 Series User's Guide
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