Status and Diagnostics 8-2
© 2005 HMS Industrial Networks
AB7665 User manual
J1939 Status LED
Ethernet Activity LED
The Ethernet Activity LED flashes green as Ethernet packets are received or
transmitted.
Ethernet Link LED
The Ethernet Link LED indicates that the module is connected to an Ethernet net-
work. The LED will display solid green if there is a valid physical link.
State
Summary
Description
Flashing Green
Initializing
The J1939 network interface is initial-
izing and getting ready to come online.
Solid Green
Online
A J1939 network address has been suc-
cessfully claimed and the module is
online and active.
Flashing Red/Green
Online with
Faults
The module is online and active on the
J1939 network, but faults have been
detected. Check the J1939 status codes
to determine the cause of the fault.
Solid Red
Offline
The module is not participating in the
J1939 network.
Flashing Red
Offline with
Faults
The module is not participating in the
J1939 network and faults have been
detected. Check the J1939 status codes
to determine the cause of the fault.
Table 8-2 J1939 Status LED States