Table 2. Links 2 Module Diagnostic Leds - Nortec NHTC Series Installation Manual

LED Name
Module Power
Receive LED (marked as Rx on
processor board)
Transmit LED (marked as Tx on
processor board)
Ethernet LINK
Ethernet Activity
10-30
Page 5
2008-02-18

Table 2. 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 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.