Chapter 3 Hardware Overview
GS3700/XGS3700 Series User’s Guide
35
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.
Off The Switch is acting as a non-master member in a stack or it is in
standalone mode.
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
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.