3vacon • 78 Descriptions of VACON® option boardsLocal contacts: http://drives.danfoss.com/danfoss-drives/local-contacts/I/O terminals on OPTD3NOTE:If OPTCI Ethernet Option board is used for NC Tools connection, like NCLoad, the OPTD3 boardcannot be used.Jumper selectionsThere is one jumper block on the OPTD3 board. The factory defaults and other available jumperselections are presented below:OPTD3 option board status LEDsTable 43. OPTD3 I/O terminalsTerminal Technical information12 TxD Transmit data3 RxD Receive data45 GND Ground isolated6 +9V +9V isolated789Table 44.LED MeaningGreen (LED 1) Receiving dataRed (LED 2) Transmitting dataJum per block X 3 :Co nnector conn ection to GN DConnected to GNDthrough RC filter Connecteddirectly to GND7293.emf