
EG_GenPro425e_1103_UG_001_UK.docx
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Descriptions and non-contractual illustrations in this document are given as an indication only.
ercogener reserves the right to make any modifications.
Dct_427_02
5.4 Use of the modem
Install the SIM card.
Connect the GSM antenna to the SMA-Female connector.
Connect the RS232 link between the DTE (COM port) and the modem (DCE).
Connect the power cable to the continuous and regulated external power source (for an automobile
application, see § 5.1 Specific recommendations for the use of the modem in vehicles).
Connect the power cable to the modem.
Use a communication software like Windows HyperTerminal ® set as follows:
▪ Bits per second ....... : 115 200 bps,
▪ Data Bits ................. : 8,
▪ Parity ..................... : None,
▪ Stop Bits ................. : 1,
▪ Flow control ............ : None.
5.4.1
Checking the communication with the modem
5.4.1.1
Without Application
The
GenPro 425e
does not contain any application; it will return the menu of the BootLoader.
Menu by default when there is no
application inside the equipment (example of display)
Bootloader V...
GSM voltage = 3628 mV
1 - Update application
2 - Erase objects
M - GSM direct access (external supply required)
A - Advanced
P - Power off
E – Exit
In the case where no communication can be established with the modem:
▪ Check the RS232 connection between the DTE and the modem (DCE),
▪ Check the configuration of the COM port of the DTE.