Gigabit / Fast Ethernet Switch User's Manual GSD-1020
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2. HARDWARE DESCRIPTION 
This section describes the hardware features of the Giga Switch. For easier management and control of the 
switch, familiarize yourself with its display indicators, and ports. Front panel illustrations in this chapter display 
the unit LED indicators. Before connecting any network device to the Switch, read this chapter carefully.
2.1 Front Panel 
The unit front panel provides a simple interface monitoring the switching. It includes a power indicator for each 
port. 
 Figure 1: GSD-1020 Switch front panel 
LED indicators: 
System  
100Base-TX  
LED  Color  Function 
PWR Green 
Lit on: indicate the power is on. 
Lit off: indicate the power is off. 
LED  Color  Function 
LNK / ACT Green 
Lit: indicate the link through that port is successfully established. 
Blink: indicate that the switch is actively sending or receiving data 
over that port. 
 100  Green 
Each RJ45 station port on the Switch is assigned one LED for 
monitoring port "Good Link" and data traffic. 
The LED is normally OFF. After the power on operation, LED will 
light green color steadily to show "Good Link" when port is been 
connected with 100Mbps. LED will be off when port is run at 
10Mbps. 
 FDX  Orange 
Lit: indicate that the connection made through the corresponding 
port is running in Full Duplex mode. 
Blink: indicate that the connection is experiencing collisions 










