*</td>
<td>12v output*</td>
</tr>
<tr>
<td>4</td>
<td>Extra Loop Back B</td>
<td>GND</td>
<td>12v output*</td>
<td>12v output*</td>
</tr>
<tr>
<td>5</td>
<td>Payload Loop Back</td>
<td>i2c serial SDA</td>
<td>5v output</td>
<td>5v output</td>
</tr>
<tr>
<td>6</td>
<td>Payload Loop Back</td>
<td>i2c serial SCL</td>
<td>5v output</td>
<td>5v output</td>
</tr>
<tr>
<td>7</td>
<td>Extra Loop Back A</td>
<td>PPS pulse</td>
<td>GND</td>
<td>GND</td>
</tr>
<tr>
<td>8</td>
<td>Extra Loop Back A</td>
<td>GND</td>
<t