User guide
Table Of Contents
- Presentation
- Warning
- Copyright
- 1 References
- 2 Packaging
- 3 General presentation
- 4 Characteristics and Services
- 5 Use of the modem
- 5.1 Starting with the modem
- 5.2 Specific recommendations for the use of the modem in vehicles
- 5.3 GSM led of the modem
- 5.4 Echo function of AT commands deactivated
- 5.5 Checking the quality of the GSM reception signal
- 5.6 Verification of PIN code
- 5.7 Verification of modem registration on GSM network
- 5.8 Verification of modem registration on GPRS network
- 5.9 Verification of internal voltages of the modem
- 5.10 Main AT commands (HAYES)
- 5.11 Turning OFF the modem
- 5.12 Updating procedure of the modem
- 6 Trouble Shooting
- 7 Functional description
- 8 Technical characteristics
- 8.1 Mechanical characteristics
- 8.2 Electrical characteristics
- 8.3 Environmental characteristics
- 8.4 Standards/Conformities
- 9 Security recommendations
- 10 Recommended accessories
- 11 Client support
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Descriptions and non-contractual illustrations in this document are given as an indication only.
ERCO & GENER reserves the right to make any modification.
Dct_427_01
5 Use of the modem
5.1 Starting with the modem
5.1.1 Assembly of the modem
To place the modem on a support, use the fixing brackets as indicated on the scheme below.
Figure 13 : Assembly of the modem
- Must be fixed on a flat surface.
- Max. height of the screw head : 2 mm.
The aluminum casing of the modem is connected to the 0V (GND) of the power supply and to
the 0V of the RS232 serial link. To avoid any risk of conduction of the ground plane to other
equipments, the modem must be electrically insulated from its mechanical support.