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Chapter 1: Overview
20
Each of the 10/100Base-TX ports has two LEDs, described in Table 3.
Table 4 describes the LEDs for the uplink combo ports.
Table 3. 10/100Base-TX Port LEDs
LED State Description
SPEED On The port is operating at 100 Mbps.
Off The port is operating at 10 Mbps or it has not
established a link to an end node.
LINK/ACT Green The port has established a valid link.
Blinking
Green
The port is transmitting or receiving data.
Off No link is established on the port.
Table 4. Uplink Combo Port LEDs
LED State Description
1000M Green The uplink port has established a valid 1000
Mbps link with an end node.
Off
1
1. The port has established a valid 10 Mbps link when both the 1000M and the 100M LEDs are Off and the LINK/ACT LED is Green.
No 1000 Mbps link is established on the
uplink port.
100M Green A valid 100 Mbps link is established between
the uplink port and the end node.
Off
1
No 100 Mbps link is established on the uplink
port.
LINK/ACT Green
1
A valid link is established on the uplink port.
Blinking
Green
The uplink port is transmitting or receiving
data.
Off No link is established on the port.