Product specifications

2.3.1 System LEDs
System LED indicators are located on the front panel for showing the operating
status of the whole device.
2.3.1.1 Power LED
This indicator lights green when the hub is receiving power; otherwise, it is off.
2.3.1.2 Module/Fiber Link LED
When the fiber optional module slide into the system then the module LED will be
green. The fiber link LED shows the link status of the optional module.
2.3.1.3 VLAN/Port Trunk LEDs
When the VLAN LED is light, the group LEDs (A~F) represent the VLAN groups. If
the Trunk LED is light then the group LEDs (A~F) mean the trunk groups. For example:
when the VLAN group A is selected, the VLAN LED, group A LED and the link/act LED of
the ports in the VLAN group A will light. Same situation for port trunk.
2.3.1.4 Slide-in module LEDs
The slide-in module support 100BASE-FX media connection and with two
diagnostic LEDs with the following definition:
LED Operation
Link/Act Link is present (Green), Activity (Blinking Green)
FDX/COL Full-Duplex (Amber), Half-Duplex (Off), COL (Blinking Amber)
2.3.2 Port LEDs
Port LED indicators are located on the front panel for showing the operating status
of each port.
2.3.2.1 Link/Act LED
Every port has a Link/Activity LED. Steady light (link state) indicated that the port
has good linkage to its associated device. Flashing indicates there is traffic transverses
the port. The following is table for LED definition.
Link/Activity LED Status
Off No Connection
Green Connected as 100Mbps
Flashing Green There is traffic transverses the port
Amber Connected as 10Mbps
Flashing Amber There is traffic transverses the port