905U-G Wireless Gateway
User Manual
Page 143
©September 2004
6.4
Fieldbus Indicating LEDs
All 905G modules (
except
MD1) are equipped with four fieldbus indication LED's located in
the module end plate, used for diagnostics purposes. The meaning of the LED’s for each
fieldbus is described below.
6.4.1
Ethernet Indicating LED’s
Led No
Color
State
Description
1
Green
-
The Link led indicates that the module is connected to an
Ethernet network.
2
Green
Off
No power applied to module.
2
Green
Steady
Device operating correctly.
2
Green
Flashing
Module has not been configured.
2
Red
Flashing
Minor recoverable fault has been detected.
2
Red
Steady
Major internal error has been detected.
2
Green/Red
Flashing
Power on self-test.
3
Green
Off
No power applied or no IP address has been assigned.
3
Green
Steady
Module has at least one Ethernet/IP connection established.
3
Green
Flashing
No Ethernet/IP connections to the module.
3
Red
Flashing
Connection timeout
3
Red
Steady
Duplicate IP address
3
Green/Red
Flashing
Power on self-test.
4
Green
Flashing
Flashes each time a packet is received or transmitted.