6
About Your Modem
Revision 1.1 900023376
The orientation notch will help you to correctly insert the SIM card in the modem. If you insert the
SIM card incorrectly into the SIM slot (or if no SIM is installed), the modem will not be able to
communicate with a network.
Audio Jack and Optional Head Set
An optional head set can be used to make voice phone calls. The head set plugs into the audio
jack on the modem, as shown in Figure 4.
Figure 4 Audio jack and head set
Inserting the SIM Card
The
SIM
card is inserted into the
SIM card slot
, as shown in Figure 5.
Figure 5 Inserting the SIM card
For
G301
modems, ensure that SIM contact points face
downward
and the orientation notch is
positioned to the
right
..
G301
Earphone
Microphone
Head set
Audio jack
Orientation notch
G301
SIM card slot
Contact
points face down