2 external backup power supply connector, 3 leds, Table 2 leds – ZyXEL Communications GS-4012F/4024 User Manual
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GS-4012F/4024 User’s Guide
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Chapter 3 Hardware Overview
To connect the power to the GS-4012F/4024 AC unit, insert the female end of power cord to
the power receptacle on the rear panel. Connect the other end of the supplied power cord to a
100~240V AC, 1.5A power outlet. Make sure that no objects obstruct the airflow of the fans.
The GS-4012F DC unit requires DC power supply input of -48V DC to -60V DC, 1.6A Max
no tolerance and the GS-4012F DC unit requires DC power supply input of -48V DC to -60V
DC, 2.2A Max no tolerance. To connect the power to the DC units, insert one end of the
supplied power cord to the power receptacle on the rear panel and the other end to a power
outlet. Make sure that no objects obstruct the airflow of the fans.
3.2.2 External Backup Power Supply Connector
The backup power supply constantly monitors the status of the internal power supply. The
backup power supply automatically provides power to the switch in the event of a power
failure. Once the switch receives power from the backup power supply, it will not
automatically switch back to using the internal power supply even when the power is resumed.
3.3 LEDs
The following table describes the LEDs.
Table 2 LEDs
LED
COLOR
STATUS
DESCRIPTION
BPS
Green
Blinking
The system is receiving power from the backup power supply.
On
The backup power supply is connected and active.
Off
The backup power supply is not ready or not active.
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.
MGMT Port
10
Green
On
The link to a 10 Mbps Ethernet network is up.
Blinking
The port is sending or receiving data at 10 Mbps.
Off
The link to a 10 Mbps Ethernet network is down.
100
Amber
On
The link to a 100 Mbps Ethernet network is up.
Blinking
The port is sending or receiving data at 100 Mbps.
Off
The link to a 100 Mbps Ethernet network is down.
GS-4024 Model
Gigabit Ethernet Ports