SIM card installation
NOTICE
Integrated circuits on computer boards are sensitive to static electricity. To avoid damaging components by ESD, observe the following precautions.
Integrated circuits on computer boards are sensitive to static electricity. To avoid damaging components by ESD, observe the following precautions.
- Before handling a board or integrated circuit, touch an unpainted portion of the gateway chassis for a few seconds. This will help to discharge any static electricity on your body.
- When handling boards and components, wear a wrist-grounding strap.
Step 1
![Open the gateway housing with a screwdriver.](../Images/jpg/546913803__Web.jpg)
Step 2
![Remove the antenna cable from the GSM module.](../Images/png/546915723__Web.png)
Step 3
![Open the screws on the GSM module.](../Images/jpg/546917643__Web.jpg)
Step 4
![Remove the GSM module.](../Images/jpg/546919563__Web.jpg)
Step 5
![Unlock the SIM card holder.](../Images/jpg/546921483__Web.jpg)
Step 6
![Plug in the SIM card, lock the holder.](../Images/jpg/546923403__Web.jpg)
Step 7
![Reinstall the GSM module and plug in the antenna cable.](../Images/jpg/546925323__Web.jpg)
Step 8
![Close the gateway housing.](../Images/jpg/546913803__Web.jpg)