Emerson PACSystems RSTi-EP - Page 103

User Manual Section 4
GFK-2958L May 2021
Detailed Descriptions of the Fieldbus Network Adapters 89
LED
Indication
LED State/Description
PWR
Power LED
Green: Supply voltage connected
SF
System Fault
Red: Configuration error, or error in the network adapter, or error in a module, or
there is a new diagnostic report
Red flashing: Station in Force mode
BF
Bus fault
Red: No connection to the fieldbus
Red flashing: Configuration error, no connection to the control unit, or error in the
parameter set
MT
Maintenance Required
Yellow: Error on the system bus or fieldbus
L/A IN
Connection/Activity
Green: Connection established between port 1 of the network adapter and another
field device
Green flashing: Data being exchanged on port 1
LA OUT
Connection/Activity
Green: Connection established between port 2 of the network adapter and another
field device
Green flashing: Data being exchanged on port 2
RUN
Network adapter state
Off: INIT
Green flashing: PRE-OPERATIONAL
Green lights up briefly: SAFE-OPERATIONAL
Green: OPERATIONAL
ERROR
Internal error
Red: Critical error in the network adapter
Red lights up briefly: Error in network adapter application
Red briefly lights up twice: Output Syncmanager Watchdog expired
Red flashing: Configuration error