Product Description
14
Auto-MDI
All five ports feature auto-MDI. They automatically configure themselves
as either MDI or MDI-X. This feature allows you to use either straight-
through or crossover twisted pair cables to connect devices to the ports.
LEDs
The port LEDs on the front panel of the AT-GS905 switch display port
status information. Each port has four LEDs.
Figure 2
AT-GS905 Switch Port LEDs
Table 1 describes the AT-GS905 Gigabit Ethernet switch port LEDs.
Table 1
AT-GS905 Switch Port LEDs
LED
State
Description
POWER
Green
The switch is powered ON.
OFF
The switch is powered OFF.
100M
Green
The port is operating at 100 Mbps.
1000M
Green
The port is operating at 1000
Mbps.
OFF
When both 100M and 1000M LEDs
are OFF, the port is operating at 10
Mbps.
LNK/ACT
Green
A valid link has been established
between the port and the end-
node.
Flashing
Green
The port is transmitting and/or
receiving data packets.
OFF
There is no link established
between the port and the end-
node.
FDX
Green
The port is operating in full-duplex
mode.
OFF
The port is operating in half-duplex
mode.
POWER
1
2
3
4
5
100M
1000M
LNK/ACT
FDX
1