Sierra Wireless AirLink MP, Руководство пользователя

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AirLink MP User Guide
24 2130795
For more information about antennas for your installation contact your account
manager.
GPS antenna
The GPS antenna connects to the MP modem using a male SMA connector.
Contact your account manager for more information about compatible GPS
antennas.
MP WiFi only
The AP antenna must be installed by an RF professional. The AP antenna
connects to the MP modem using a reverse polarity male SMA connector.
Note: The WiFi antennas
approved for use with this
device must be of either a
PCB omni antenna with a
gain of no more than +2
dBi, or a dipole antenna
with a gain of no more than
+5dBi. No other antennas
are approved for use with
this device.
Antenna locations
When selecting locations for the Main RF, GPS, and AP antennas:
• Refer to the documentation provided with each antenna to determine whether
it requires a ground plane.
• Ensure that the Main RF antenna is mounted at least 20 cm (8 inches) from
vehicle occupants and bystanders.
• Ensure that all radio antennas (Main RF, GPS, CB radio, car radio) are
mounted at least 20 cm or more apart (30 cm recommended).
• If you are using receive diversity, connect an additional RF antenna to the
diversity antenna connector (SMA) on the back of the MP modem. Ensure
that the two RF antennas are 30 to 60 cm (12 to 24 inches) apart.
• (MP WiFi only) Ensure that the AP antenna is mounted at least 20 cm from
the Main RF antenna.
Install the antennas and cables
Note: When connecting the cables, hand-tighten the connectors; do not use tools.
To install the Main RF, GPS, and AP antennas:
1. Mount each antenna according to the instructions provided with it.
2. Thread the antenna cables to the MP modem. Secure the cables as
necessary.
Note: To avoid RF inter-
ference problems and
possible damage to the
MP modem,
do not power
on the MP modem before
connecting the Main RF
antenna.
3. Connect the Main RF antenna cable to the TNC connector on the rear of the
MP modem.
4. If you are using receive diversity, connect the diversity RF antenna cable to
the diversity connector at the rear of the MP modem.
5. If you are using GPS, connect the GPS antenna cable to the GPS antenna
connector on the rear of the MP modem.
6. If you are using WAP, connect the AP antenna cable to the AP antenna
connector on the rear of the MP modem. (MPWiFi only)