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LED Indicators

Page 3-4

FDX/Col LED

The FDX/Col (full duplex/collision) LED indicates when a port is in full

duplex (FDX) mode, or when two or more stations on the speciﬁc net-

work segment attempt to transmit packets simultaneously, causing a

packet collision.

∆ Note: This LED can display both green and yellow

colors (see Table 3-1).

∆ Note: Collisions are normal in Fast Ethernet networks.

Excessive collisions may indicate that your network is

congested.

Table 3-1 describes the possible status indications of the FDX/Col

LEDs.

Table 3-1 FDX/Collision LED status indicators

State Status

On (green)

Port is in full duplex (FDX) mode

Off

Port is in half duplex (HDX) mode

Blinking (yel-

low)

Two or more stations on the network are

attempting to transmit packets simultaneously to

the port, causing a collision

FRCH1Book Page 4 Thursday, September 25, 1997 11:23 AM

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Asante-technologies FS4008DS Manual do Utilizador Página 28