9 (12)
2.4
LED Indicators
1 2
3
5
4
6
LED 1 to 4
Model-specific information
LED 5
Serial subnetwork status
LED 6
Device status
LED
Indication
Meaning
1 - Network Status
Off
Offline or no power
Green
Online, IP address assigned
Green, flashing
No IP address assigned or no link
Red
Fatal error, IP address conflict
Alternating Red/Green
Firmware update in progress
2 - Module Status
Off
No power or IP address conflict
Green
Normal operation
Red
Fatal error
Alternating red/green
Firmware update in progress
3 - Link/Activity 1
4 - Link/Activity 2
Off
Link not detected or no power
Green
Link established (100 Mbit/s)
Green, flickering
Link activity (100 Mbit/s)
Red
Link established (10 Mbit/s)
Red, flickering
Link activity (10 Mbit/s)
5 - Subnet Status
Off
No power
Green
Running
Green, flashing
Running, one or more transaction
errors
Red
Transaction error/timeout or subnet
stopped
6 - Device Status
Off
No power
Green
Initializing
Green, flashing
Running
Red
Bootloader mode
Alternating red/green
Configuration invalid or missing
The Link/Activity LED indicators will show a red light for 10 Mbit/s connections.
This is normal and does not indicate an error.
Anybus
®
Communicator
™
Startup Guide
SP2444 1.0 en-US