12
LED Indicators
All LED status indicators are located on the FRONT panel of the
switch. They provide a real-time indication of system and operational
status. The ports for connections to other devices and networks are
also on the front panels.
LED
Status
Meaning
Power
Green Power
on
Diag
Red
Alert and problem notice
Green
Device has been connected to the port
Blinks
The data is transmitting on the port
LK/ACT
Off
No device attached
Yellow
Port in full duplex mode
Blinks
A collision occurs on the port
FD/COL
Off
No device attached or in half duplex mode
Green
The Port is in 100Mbps mode
100
( Only for 8
port 10/100M
Switch Module )
Off
Not connected or in 10 Mbps mode
Table 2-1. The above table provides descriptions of the LED status
and their meaning.
RS-232 Console
This Console port is used to connect a management station or
terminal with the switch. Out-of-band management means go
through the RS-232 port. For more information about switch
management, see Section 4 “ Connecting to the Network ”.