Sierra Wireless AirLink PinPoint X User Manual page 39

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PinPoint X 1x/EV-DO
Note: Use of receive
diversity for EV-DO is
optional. Data trans-
mission and reception may
be adversely affected if it is
not used.
28
Your PinPoint X will work with most cellular antennas with a TNC or SMA
(diversity only) connectors. Connect the primary antenna or primary RF cable
directly to the antenna connector on the back of the PinPoint X.
When using a cable to an antenna placed away from the modem, minimize the length
Tip:
of your cable. All gain from a more advantageous antenna placement can be lost with a
long cable to the modem.
To provide for diversity in the signal reception, connect the
second antenna to the second antenna port (SMA, labeled Rx
Div) on the back of the PinPoint X.
Caution:
If you are not using a diversity antenna, you should disable
the receive diversity option. In Ace Manager in the 1x/EV-DO group,
configure *EVDODIVERSITY.
GPS Antenna
Your PinPoint X will work with most standard active GPS antennas. Connect the
GPS antenna or cable directly to the threaded SMA connector.
Mount the GPS Antenna in the vehicle. The less the cable is wrapped and bound
together, the better it will perform. Place it on the roof, or on the dash, or rear
panel where it has a good view of the sky (greater than a 90 angle view of the
sky).
There are three options for antenna mounts:
Magnetic roof-mount
Through glass-mount
Permanent mount
Figure 4-2: GPS Antenna Placement for a Vehicle
Connecting to Power
Warning:
Risk of electric shock: Only use the supply voltages listed in this user guide.
Warning:
When using AC to DC adapter the ambient temperature should not exceed
0
40
C.
20070914

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