Dell Edge 3000 Installation And Operation Manual page 16

C C AUTION: Dell recommends that you insert the micro-SIM card before turning on the Edge Gateway.
NOTE: Ensure that you firmly screw back the access door after closing.
NOTE: Contact your service provider to activate your micro-SIM card.
8. Insert a micro-SD card into the bottom micro-SD card slot.
NOTE: Remove the SD card slot filler before inserting micro-SD card.
NOTE: Ensure that you firmly screw back the access door after closing.
9. Connect a grounding cable between the Edge Gateway and the secondary enclosure.
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