Dell Precision 3590 - Page 58

The following images indicate the location of the 4G WWAN card and provide a visual representation of the installation
procedure.
Figure 22. Installing the 4G WWAN card
Steps
1. Align the notch on the 4G WWAN card with the tab on the 4G WWAN-card slot.
2. Insert the 4G WWAN card at an angle into the 4G WWAN-card slot.
3. Connect the antenna cables to the 4G WWAN card.
The following table provides the antenna-cable color scheme for the 4G WWAN card that is supported on your computer.
Table 37.
Antenna-cable color scheme for 4G WWAN cards
Connectors on the WWAN
card
Antenna-cable color Silkscreen marking
Main White MAIN △ (white triangle)
Auxiliary Black AUX ▲ (black triangle)
4. Align the screw hole on the 4G WWAN-card bracket with the screw hole on the 4G WWAN card and palm-rest assembly.
5. Replace the screw (M2x3) that secures the wireless-card bracket to the wireless card and the palm-rest assembly.
6. Align and place the 4G WWAN-card shield on the 4G WWAN card.
58
Removing and installing Customer Replaceable Units (CRUs)