Condor SIM800F Betriebs Und Installationsanleitung Seite 40

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 Carefully push the connector pins fully into the sockets (Fig. 16).
Before commissioning the modem, check the connector pins again for
correct seating. An incorrectly inserted pin can damage the modem.
To prevent the GSM modem becoming dislodged during transport of the
control unit, it must be secured with a suitable cable tie through both metal
eyelets on the CPU circuit board (Fig. 17).
Operating and installation manual for GSM mode
Page 11
903 501 - V1.0
Fig. 16
Fig. 17