Precision 7680 Service Manual

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Installing the WWAN card

Prerequisites

If you are replacing a component, remove the existing component before performing the installation procedure.

About this task

The figure indicates the location of the WWAN card and provides a visual representation of the installation procedure.

Installing the WWAN card

Steps

Connect the antenna cables to the connectors on the WWAN card. The following table provides the antenna-cable color scheme for the WWAN card of your computer.

Table 1. Antenna-cable color scheme Antenna-cable color scheme:
Antenna Cable Color	Pin Definition
White/Grey	ANT0
Orange	ANT1
Blue	ANT2
Black/Grey	ANT3

The connections are also printed on the WWAN card slot.

Align and slide the WWAN card to its slot on the system board.
Place the WWAN card bracket above the WWAN card to secure the antenna cables.
Replace the (M2x2) screw to secure the WWAN card bracket to the system board.
NOTE:For instructions on how to find your computer's IMEI (International Mobile Station Equipment Identity) number, see the knowledge base article 000143678 at https://www.dell.com/support/.

Next steps

Install the base cover.
Follow the procedure in after working inside your computer.