
Chapter 3 Hardware Overview
GS3700/XGS3700 Series User’s Guide
36
Disconnecting the Power
The power input connectors can be disconnected from the power source individually.
1 Disconnect the power cord from the power outlet.
2 Disconnect the power cord from the AC power socket.
3.3 LEDs
The following table describes the LEDs.
Table 3 LEDs
LED COLOR STATUS DESCRIPTION
PWR1
(Power 1)
Green On The system is receiving power from the power module in the first
power slot.
Off The system is not receiving power from the power module in the first
power slot.
Amber On The power module in the first power slot fails to supply power or its
fan is not functioning at a proper speed.
PWR2
(Power 2)
Green On The system is receiving power from the power module in the second
power slot.
Off The system is not receiving power from the power module in the
second power slot.
Amber On The power module in the second power slot fails to supply power or its
fan is not functioning at a proper speed.
SYS
(System)
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 or malfunctioning.
ALM
(Alarm)
Red On There is a hardware failure, such as high device temperature, wrong
voltage and abnormal fan speed.
Off The system is functioning normally.
MAST
(Master)
Green On The Switch is acting as a standalone switch or the master in stacking.
Amber On There is an error occurred during master switch election in stacking or
there is other stack related error.
Off The Switch is acting as a slave member in stacking.
10/100/1000Base-T Ports
1-24 or 1-
48
LNK/ACT
(Left)
Green Blinking The port is receiving or transmitting data at 10 or 1000 Mbps.
On The port has a successful 10 or 1000 Mbps connection.
Amber Blinking The port is receiving or transmitting data 100 Mbps.
On The port has a successful 100 Mbps connection.
Off This link is disconnected or the port is disabled.
PoE 10/100/1000Base-T Ports
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