The image shows two stacked Oracle Database Appliance X4-2 nodes. The top node is labeled Node 1 and the bottom node is labeled Node 0. The image contains two callouts, numbered 1 and 2 reading from right to left, at the top of the image. The callouts point to cables that are described in the preceding text. The image also shows an expanded close-up of the four fiber ports, reading (from left to right) Net 3, Net 2, Net 1, and Net 0. The cable connections are between Net 1 on Node 0 and Net 1 on Node 1, and Net 0 on Node 1 and Net 0 on Node 0.