Note: Please use antenna designed for GSM device operation. Incorrect antenna will affect communication
and even damage the modem.
2.4
Connect the modem to external device
You can use the provided RS232 serial cable to connect the M2MBoxPro Serial1 interface to an external
controller or computer.
2.5
Connect the DC power supply
Connect the two tips of the provided power cord to a DC supply. Refer to the following for power supply
requirement.
Input voltage range
9V – 28V
Rated current
850mA
Insert the two tips into the “Power” terminal block of the M2MBoxPro, screw the connector to secure the wires
then connect it to the M2MBoxPro. The modem will turn on automatically (if not already on).
The GPRS status indicator on the modem will be lit when power on. After a few seconds it will go flashing
slowly (registered on cellular network).
Confidential, the whole document is the sole property of Maestro Wireless Solutions ltd.
3603-9, 36/F., 118 Connaught Road West, Sheung Wan, Hong Kong
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