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NPort IA5150/5250 Series User’s Manual Getting Started
2-5
LED Indicators
The top panels of all NPort IA5150/5250 device servers have four LED indicators, as described in
the following table.
LED Name LED Color LED Function
PWR1,
PWR2
red Power is being supplied to power input PWR1, PWR2.
red
Steady on: Power is on and NPort IA is booting up.
Blinking: Indicates an IP conflict, or DHCP or BOOTP server
did not respond properly, or a relay output occurred.
When the above two conditions occur at the same
time, check the relay output first. If after resolving the
relay output the RDY LED is still blinking, then there
is an IP conflict, or the DHCP or BOOTP server did
not respond properly.
green
Steady on: Power is on and NPort IA is functioning normally.
Blinking: The device server has been located by
Administrator’s Location function.
RDY
off Power is off, or power error condition exists.
orange 10 Mbps Ethernet connection.
green 100 Mbps Ethernet connection.
Ethernet
off Ethernet cable is disconnected, or has a short.
orange Serial port is receiving data.
green Serial port is transmitting data.
P1, P2
off No data is being transmitted or received through the serial port.
FX
orange
Steady on: Ethernet fiber connection, but port is idle.
Blinking: Fiber port is transmitting or receiving data.