# Expansion Port Connector

<figure><img src="https://1222752003-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FdOw3hdDe6gabAGiQZT7A%2Fuploads%2FKuFhBebbUxX1ImSILcGs%2FExpansion%20Port%20Connector.png?alt=media&#x26;token=ff061130-08f7-429d-b8ea-a34571bcda14" alt=""><figcaption><p>Female 15-pin 1.27mm pitch micro-D connector</p></figcaption></figure>

<table data-header-hidden><thead><tr><th width="157"></th><th></th></tr></thead><tbody><tr><td><strong>Pin No</strong></td><td><strong>Pin Function</strong></td></tr><tr><td>Pin 1</td><td>CAN Bus 4 (Ext 1) Low Signal</td></tr><tr><td>Pin 2</td><td>CAN Bus 4 (Ext 1) High Signal</td></tr><tr><td>Pin 3</td><td>CAN Bus 5 (Ext 2) Low Signal</td></tr><tr><td>Pin 4</td><td>CAN Bus 5 (Ext 2) High Signal</td></tr><tr><td>Pin 5</td><td>CAN Bus 6 (Ext 3) Low Signal</td></tr><tr><td>Pin 6</td><td>CAN Bus 6 (Ext 3) High Signal</td></tr><tr><td>Pin 7</td><td>LIN (Local Interconnect Network) Bus</td></tr><tr><td>Pin 8</td><td>+Vin Supply Voltage</td></tr><tr><td>Pin 9</td><td>FlexRay Bus 1 BP Signal</td></tr><tr><td>Pin 10</td><td>FlexRay Bus 1 BM Signal</td></tr><tr><td>Pin 11</td><td>FlexRay Bus 2 BP Signal</td></tr><tr><td>Pin 12</td><td>FlexRay Bus 2 BM Signal</td></tr><tr><td>Pin 13</td><td>Ground for the FlexRay Buses</td></tr><tr><td>Pin 14</td><td>Ground for the CAN and LIN Buses</td></tr><tr><td>Pin 15</td><td>Power Ground</td></tr></tbody></table>

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#### Note:

* Pins not mentioned in the description table(s) are NC.
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