55Connect tocomputer’sUSB portConnect tothe LocalAccess portUSB Link Kit RTU Open ControllerAccessPortJ12P1 P1P5 P5 LOCALACCESSPORTGNDGND*ThermmA*ThermmAUI-10UI-11SW3on COMMOPTIONCR2032+-SW1 SW2MSB LSBTXRX+12 DVCRnet-Rnet+GNDRNETJ12J13J15J20C14131Fig. 73 -- PC Running Field AssistantTable 29 – LEDsThe LEDs on the RTU Open show the status of certain functionsIf this LED is on... Status is...Power The RTU Open controller has powerRx The RTU Open controller is receiving data from the network segmentTx The RTU Open controller is transmitting data over the network segmentBO# The binary output is activeThe Run and Error LEDs indicate control module and network statusIf Run LED shows... And Error LED shows... Status is...2 flashes per second Off Normal2 flashes per second 2 flashes, alternating with Run LED Five minute auto---restart delay after system error2 flashes per second 3 flashes, then off Control module has just been formatted2 flashes per second 4 flashes, then pause Two or more devices on this network have thesame MSTP network address2 flashes per second On Exec halted after frequent system errors orcontrol programs halted5 flashes per second On Exec start---up aborted, Boot is running5 flashes per second Off Firmware transfer in progress, Boot is running7 flashes per second 7 flashes per second, alternatingwith Run LEDTen second recovery period after brownout14 flashes per second 14 flashes per second,alternating with Run LEDBrownoutOn On Failure. Try the following solutions:S Turn the RTU Open controller off, then on.S Format the RTU Open controller.S Download memory to the RTU Open controller.S Replace the RTU Open controller.NOTE: Refer to the RTU Open Multi--Protocol ControllerControls, Start--Up, Operation and Troubleshooting manualfor complete configuration of RTU Open controller,operating sequences and troubleshooting information. Referto the RTU Open v3 Integration Guide for details onconfiguration and troubleshooting of connected networks.Have a copy of these manuals available at unit start--up.