Nortec LINKS 2 NHTC Installation And Operation Manual page 25

LED Name
Module Status
Serial Port Activity
Ethernet Activity/Collision
Ethernet Link
LED Name
Module Power
Receive LED (marked as Rx on
processor board)
Transmit LED (marked as Tx on
processor board)
Ethernet LINK
Ethernet Activity
Table 6: OnLine Module Diagnostic LED Description
Color
Off
Green
Orange
Flashing Green
Flashing Red
Orange
Flashing Green
Flashing Red
Off
Green
Orange
Table 7: Links 2 Module Diagnostic LEDs
Color
Off
Green
Flashing Green
Flashing Green
Off
Solid Yellow
Off
Flashing Green
Function
Indicates that the Online module is not
receiving power.
Indicates the Online module is operating
normally.
Indicates that the Online module is loading
the firmware installed on the module.
Indicates that the Online module is receiving a
network packet from a serial connection.
Indicates that the Online module is
transmitting a network packet on a serial
connection.
Displayed when the Online module is booting.
Indicates that the Online module is receiving a
network packet from an Ethernet connection.
Indicates that the Online module is
transmitting a network packet on an Ethernet
connection.
No network connection is present.
The Online module has detected the presence
of a 10Mbps network.
The Online module has detected the presence
of a 100Mbps network.
Function
Indicates that the Online module is not
receiving power.
Indicates the Online module is operating
normally.
Indicates that the Online module is receiving a
network packet from a serial connection.
Indicates that the Online module is
transmitting a network packet on a serial
connection.
Indicates no Ethernet connection is present.
Indicates an Ethernet connection has been
detected.
No Ethernet network activity.
Indicates Ethernet activity.
Troubleshooting | 21