LED
Indication
SYS
Flashing
: The switch works properly.
On or Off
: The switch works improperly.
FAN
Green On
: All the fans work properly.
Yellow On
: Not all the fans work properly.
Off
: No fan module is connected to the switch.
Master
On
: The switch works as master in the stack system, or does not join any stack
system.
Off
: The switch works as member in the stack system.
Module
Green On:
An Interface Card is connected to the switch and works properly.
Yellow On
: An Interface Card is connected to the switch, but works improperly.
Off
: No Interface Card is connected to the switch.
Console
On
: Data is being transmitted or received.
Off
: No data being transmitted or received for more than 6 minutes.
For T3700G-28TQ:
Link/Act (Port 1-24, MGMT)
For T3700G-52TQ:
Link/Act (Port 1-48, MGMT)
Green On
: Running at 1000Mbps, but no activity.
Green Flashing
: Running at 1000Mbps and is transmitting or receiving data.
Yellow On
: Running at 10/100Mbps, but no activity.
Yellow Flashing
: Running at 10/100Mbps and is transmitting or receiving data.
Off
: No device is linked to the corresponding port.
For T3700G-28TQ:
25, 26
For T3700G-52TQ:
49, 50
On
: An SFP+ transceiver/cable is connected to the corresponding port, and it is
connected to a 10Gbps device, but no activity.
Flashing
: A 10Gbps device is connected to the corresponding port and
transmitting data.
Off
: An SFP+ transceiver/cable is connected to the corresponding port, but it is
not connected to a device, or no SFP+ transceiver/cable is connected.
M1,M2
On
: An SFP+ transceiver/cable is connected to the corresponding port of the
Interface Card, and it is connected to a 10Gbps device, but no activity.
Flashing
: A 10Gbps device is connected to the corresponding port of the
Interface Card and transmitting data.
Off
: No Interface Card is connected, or no SFP+ transceiver/cable is connected
to the installed Interface Card, or an SFP+ transceiver/cable is connected to the
corresponding port of the Interface Card, but it is not connected to a device.
9