7. Install the bottom cover using the four bottom cover screws.
To replace the component, reverse the removal procedure.
You must press the Power On/Off button twice to power on the system.
Removing and replacing a 3G module
Procedure
1. Power down the gateway.
2. Dismount the gateway.
CAUTION:
DO NOT remove the top access panel under any circumstance. Removing the top access panel
can harm the heatsink or void the warranty to the equipment.
3. Remove the bottom access panel.
4. Disconnect the two antenna cables from the antenna connectors on the 3G module.
22 Removing and replacing a 3G module