Hardware reference guide

Intelligent/Special Purpose
362
35013379 11/2011
LED Indicators and Descriptions
The following figure shows the ESI06210 LED indicators.
The following table shows the ESI06210 LED descriptions.
LED Blinking Sequence
The following table shows the blinking sequence of the F, Status, Error 1, and Error
2 LEDs.
LEDs Color Indication when On
R Green The module has passed powerup diagnostics
Active Green Bus communication is present
F Red The module has detected a fault
Rx1 Green Received data on RS-232C Port 1
Tx1 Green Transmitted data on RS-232C Port 1
Rx2 Green Received data on RS-232C Port 2
Tx2 Green Transmitted data on RS-232C Port 2
Status Yellow Status
Error 1 Red There is an error condition on Port 1
Error 2 Red There is an error condition on Port 2
LEDs and Blinking Sequence
F Status Error 1 Error 2 Description
F Status Error 1 Error 2 Description
OFF ON OFF OFF Programming mode
OFF OFF ON N/A Serial Port 1 incurred a buffer
overrun
OFF OFF N/A ON Serial Port 2 incurred a buffer
overrun
N/A Blinking (See the next table) OFF OFF The ASCII module is in kernal
mode and may have an error