Led indicators – Tyco Electronics 0-1591046-X User Manual
Page 6

16 Port Ethernet Switch With Optional Fiber Port
Tyco Electronics
Page 6
LED Indicators
The diagnostic LED indicators located on the front panel of the
switch provide real-time information about switch status. The
following table describes the LED status and meaning.
LED
Color
Function
Power
Green
Power on
Trunking
Green
The switch is trunking to another
compatible switch.
Green
The UTP port is operating at 100Mbit/s
100
Off
The UTP port is operating at 10Mbit/s or
no partner device is attached
Green
Ethernet link pulses are present
Blinks
Port transmitting or receiving packets
LK/ACT
Off
No device is attached or faulty cable
Orange
The port is in full-duplex mode
Blinks
Collisions in half-duplex mode
FD/COL
Off
The port is in half-duplex mode
Optional Fiber Plug-In Module
LED
Color
Function
Blinks
Fiber port is transmitting data
TX
Off
No data is being transmitted
Blinks
Fiber port is receiving data
RX
Off
No data is being receiving
Green
The port is connected to a valid
100Base-FX fiber partner unit
Link
Off
No fiber connection is detected
Orange
The port is in full-duplex mode
Blinks
Collisions in half-duplex mode
FDX/COL
Off
No device attached or in half duplex
Table 1 - LED Status and description
See optional fiber module manual or the web site for details.