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EK280
Application Manual
59
Danger!
For EK280 with internal power supply, the mains voltage must be switched off before
opening the housing, ensure it is not turned back on and verify that there is no voltage.
−
Remove the four screws from the top of the EK280 and open it.
−
Unplug the modem from the power supply to avoid damage to the modem and SIM card. This
applies also to an EK280 with power supply which is disconnected from the mains, in case a back-up
battery supply is connected!
Do not connect
anything to this
plug.
Antenna cable
Securing the
antenna plug
Fig. 6: Modem and SIM card slot
Connector for modem
battery or power supply
SIM card slot
Push the metal bracket:
Open
Close
−
Push the metal bracket in the SIM card slot back halfway, and flip open the cover.
Fig. 7: open SIM card slot
Fig. 8: SIM card inserted
−
Insert the SIM card from the rear into the card slot (in the lid), so that the gold contacts face
downwards in the closed end and the beveled side is at the open end of the lid.
−
Click the lid shut again and gently slide the metal bracket outwards.