Labels:text | screenshot | font OCR: GU CONNECTOR LAYOUT Figure 2. In the 6U connector, included in CompactPCI prod fiets, the HI connectar is used for 32-bit signals. The J2 connec- tor, which cert be used for 64-bit transfers or for rear-panel 1/0 irt CompactPCI, is optional. The JS, 14, and JS connectors can be defined either by the user or by specification extensions.