Hanna Instruments HI 504900 - Manual (Page 2)

OPERATIONAL GUIDE
• For SMS messages sending, use a SIM card able to make voice calls. For
modem connections, the SIM card must be able to receive data calls.
• For inserting the SIM card, operate the eject pin
next to the card holder by pressing it for example
with a pen. The card holder comes out.
• Insert the SIM card in the holder and push it
back into the housing.
Note: Before inserting (or extracting) the SIM card, make sure there is no voltage
applied to the GSM module.
• Connect the RS485 interface cable to A and B terminals.
• Connect the supplied power adapter wires to the proper terminals as follow:
black & white wire to the negative pin (-);
black wire to the positive pin (+).
• Power the unit through the 12 VDC adapter.
• The LED displays the operating status of the GSM module:
ISTR504900 05/03
FUNCTIONAL DESCRIPTION SAFETY INFORMATION
Radio devices have limitations in the vicinity of electronic devices.
• Unplug the unit in hospitals or near medical devices like pacemak-
ers or hearing aids. The module may interfere with the operation of
these devices.
• Unplug the unit when flying. Secure is so that it can not be
powered inadvertently.
• Unplug the unit near petrol stations, fuel depots, chemical plants
or blasting operations. The module can disturb the operation of
technical equipment.
• Interference can occur if the device is used near televisions, radios or
PCs.
• In order to avoid possible damage, it is recommended to use only
the Hanna Instruments accessories. They have been tested and
shown to work well with this device. However, accessories are not
covered by the warranty.
BOTTOM VIEW
IMEI number.
Stick here the IMEI number label or write it down for your future
reference.
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Note: The module should be installed and set up only by qualified personnel.