Latitude 7310 Service Manual

Installing the WWAN card

1. Replace the WWAN card into its slot on the I/O board and connect the antennae cables.
2. Replace the WWAN shielding cover on top of the WWAN card.
   NOTE:For models shipped with WWAN antennas, the WWAN antenna connections on the WWAN card are numbered and color-coded. Connect the antennas to the correct pins on the WWAN card in accordance with the label on the WWAN card shielding cover.

   

   Table 1. WWAN antenna cable connection guideWWAN antenna cable connection guide

   Cable Pin Number	Antenna Cable
   5	Gray/White Main
   6	Black/Gray Auxiliary
   7	Blue Auxiliary
   8	Orange Auxiliary

3. Replace the WWAN bracket on top of the antennae cables.
4. Replace the single M2x2.5 screw securing it to the I/O board.
   NOTE:System will be reboot 2-3 times automatically within 1 min, after SSD/ WWAN card and battery cable is re-connected.