DEVICENET OPTION BOARD LAYOUT AND CONNECTIONS vacon • 924-hour support +358 (0)40 837 1150 • Email: vacon@vacon.com4.3 Connection of DeviceNet drop-line cableThe following instructions lead you through the connection of the OPTC7 to the Devicenet system andshow you the power-up and grounding of the board.A Lead the DeviceNet drop-line cable through the right gridded hole on the bottom ofthe Vacon NX frequency converter. Make a sufficiently wide opening for the cable bycutting the grid as wide as necessary (see step E on page 12)B Connect the 4 coloured wires into the bus connector in the following order from theleft: black, blue, NONE, white, red.BKBLW RBK BL W R