GE Grid Solutions D25User's ManualGE Information 994-0081-3.00-21 123Memory Expansion BoardMemoryExpansionBoardMemory Expansion board is a general purpose RAM card that can provideextra memory for:• larger, more complex configurations• file storage for use by the oscillography waveform recording and power qualityfunctions of the D25.The module is a removable daughter card of the D25 WESDAC module.Location Memory Expansion module is mounted on top of the WESDAC (Main)Board.Removing theMemoryExpansionBoardCarefully grasp the board on both sides, and pull away from the WESDACBoard.A slight rocking motion may assist in freeing the board from its connectorsReplacing theMemoryExpansionBoard1. Carefully position the Memory Expansion board atop the WESDACBoard, and align the connectors.2. Firmly press down on the connectors until completely seated withWESDAC board connectors.!CautionDo not press down on the center of the Memory Expansion board whileinstalling it; this will result in damage to the board. Instead, press down on thearea directly on top of the connectors at the top and bottom of the MemoryExpansion board.Shelf PlateShelf Plate The Shelf Plate is the metal plate that carries the Power Supply, IED/RTCcard and the optional XCOM card.Servicing or replacing any of these components requires the removal of theShelf Plate.LockingBracketsTwo Locking Brackets secure the Shelf Plate, one on each side of theenclosure.These brackets are designed to prevent the accidental removal of the ShelfPlate when the WESDAC Board is pulled out of the enclosure!ExternalConnectionsRemove all external connections from the IED/RTC card and/or the XCOMcard before removing the Shelf plate.