Wavenet Technology Pty Ltd. BM2900D 用户手册
Installation_________________________________________________ Boomer II User Manual & Integrator’s Guide
Copyright Wavenet Technology © November 2003
28
BM210012WT37
Other considerations include mobile usage, which typically implies
vehicular applications. Some of the design implications of mobile
usage include:
vehicular applications. Some of the design implications of mobile
usage include:
Resets
The design must attempt to eliminate modem resets caused by supply
voltage drops while the vehicle is starting. This is very disruptive to the
network link.
The design must attempt to eliminate modem resets caused by supply
voltage drops while the vehicle is starting. This is very disruptive to the
network link.
Supply Levels and Noise
Special care is required to ensure the modem is not subjected to DC
voltages exceeding specifications. This could create costly damage to
the RF section of the modem. Adhere to the power supply noise
specifications in your design.
Special care is required to ensure the modem is not subjected to DC
voltages exceeding specifications. This could create costly damage to
the RF section of the modem. Adhere to the power supply noise
specifications in your design.
Noise
Vehicular installations can be noisy.
Vehicular installations can be noisy.
Antenna
The antenna must be mounted like any other cellular or land mobile
radio antenna. Usually the vehicle roof provides a good ground plane
unless it is fabricated of non-metallic material such as fibreglass.
The antenna must be mounted like any other cellular or land mobile
radio antenna. Usually the vehicle roof provides a good ground plane
unless it is fabricated of non-metallic material such as fibreglass.
Mounting the Boomer II OEM Modem to Your Device
Before using your modem you must:
Mount the Boomer II OEM Modem to your device
Connect the Data Interface Port
Connect and position the antenna
Supply power
A picture of the Boomer II OEM Modem is shown below.
LED
Window
Window
Data Interface Port
RF Connector