Korenix JetNet 3500 Series Industrial Unmanaged Redundant Ethernet Rail Switch User’s
Manual
2-4
Note
: 1. When the port alarm is enabled, the FAULT LED will light up when port failures occur.
2. After you set the switch to be the ring master in a Super Ring topology, you have to
restart this switch for the setting to be activated.
LED Indicators
There are 6/7 diagnostic LEDs and 8/12 port LEDs located on the front panel of JetNet
3505/3508 Industrial Ethernet Rail Switch. These LED indicators provide administrators with
real-time system status. The table below gives descriptions of the function of each LED indicator.
LED
Status
Description
Green
Power is on.
PWR
Off
No power is being supplied.
Green
Power is on.
PWR 1
Off
No power is being supplied.
Green
Power is on.
PWR 2
Off
No power is being supplied.
Green
This switch is the ring master in the Super Ring
topology
R.M. (Ring Master)
Off
This switch is not the ring master in the Super
Ring topology
Green
A network device is detected.
Blinks
The port is transmitting or receiving packets from
the TX (FX) device.
LNK/ACT of Port 5 or
Port 7/8
Off
No device is attached.
Orange
The port is operating in full-duplex mode.
Blinks
Collision of packets occurs.
FDX/COL of Port 5 or
Port 7/8
Off
The port is in half-duplex mode or no device is
attached.
Orange
The port is operating in full-duplex mode.
Blinking
orange
Collision of packets occurs.
Off
The port is in half-duplex mode or no device is
attached.
Green
A network device is detected.
Blinking
green
The port is transmitting or receiving packets from
the TX device.
Port Status (Port 1 to 4
or Port 1 to Port 6)
Off
No device is attached.
Wiring the Power Inputs
1. Insert the positive and negative wires into the V+ and V- contact on the terminal block
connector.
