Technologies Computer Driver Instruction Manual
FS-8700-114 DeviceNet Master Manual            Page 10 of 15 
FieldServer Technologies 1991 Tarob Court Milpitas, California 95035 USA Web: www.fieldserver.com 
Tel: (408) 262 2299 Fax: (408) 262 2269 Toll Free: (888) 509 1970  email: support@fieldserver.com 
Appendix A.  Advanced Topics 
Appendix A.1.  DeviceNet X30 LED indicators 
LED 1 – Reserved 
LED 2 – Network Status 
Color  Frequency  Description 
-  Off  No power, not initialized or no connections established 
Green  On  Online, one or more connections established 
Green  Flashing  Online, no connections established 
Red  On  Critical link failure 
Red  Flashing  Minor fault, one or more connections have a minor fault 
LED 3 – Module Status 
Color  Frequency  Description 
-  Off  No power or not initialized 
Green  On  Module status is OK 
Red  On  Major fault 
Red  Flashing  Minor fault 
LED 4 – Operation Mode 
Color  Frequency  Description 
-  Off  No power or not initialized 
Green  Flashing  Idle mode 
Green  On  Run mode 










