Chapter 3. Configuration
3.2
Module information display LED
Descriptions of the module information display for all LEDs are provided in table 3.1.
Table 3.1 Module Status display LED
Outlook Name
Color
Contents
TXD
Green
Blinking when data is being transmitted.
RXD
Green
Blinking when data is being received.
RUN
Green
Lighting when the link module is operating normally.
CPU LINK
EH-OLNK
RUN
ERR
TXD
RXD
ERR Red
Normal operations:
Off
"data link possible" error:
Blinks (1s cycle)
"data link not possible" error:
Blinks (0.5s cycle) or lighting*
* Refer to section 6.2 (Error Displays) for further details on displays.
3-2
