Nortec LINKS 2 NHRS - Manual (Page 34)

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