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July 14, 2013
INFODRAW MRS-400 User Manual v5.4.1
17
2-3 GSM Antenna Connector:
The GSM antenna has a SMA interface located near the BNC connections.
1)
Twist the GSM Antenna on to the GSM Antenna Base.
2)
Connect the GSM Antenna to its antenna connector shown above (Labeled
GSM
).
WARNING:
Before turning the unit ON, please make sure that the GSM Antenna is connected to
its appropriate antenna connector on the unit. If the SIM card is inserted into the
unit and the unit is turned ON without the GSM antenna being connected, this may
cause harm to the internal cellular modem. Therefore it is recommended to
keep
the GSM Antenna connected all the time
.
2-4 GPS Antenna Connector:
The GPS antenna has a SMA interface located near the BNC connections. Connect the GPS
antenna to the SMA GPS connector
.
GSM Antenna
Antenna Base
Antenna
GPS Antenna