Audiotel BASE Manual Del Usuario página 29

GSM/GPRS INDUSTRIAL MODEM
INSTALLATION
Before installing the modem it is necessary to prepare a SIM card, a DC power
supply (8-32V), an external antenna, a personal computer (or other DTE equipment)
equipped with RS232 serial port and, in case You want to use the voice function, a
headset (or loudspeaker + microphone). Please, see the following scheme for the
connections and refer to the following paragraphs for a detailed description of all
the interfaces.
SIM card
External antenna
PC (or other DTE)
equipped with serial port
AC/DC
I 2 Cbus signals and/or Input/Output lines
Power Supply
Headset
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(only for INDUSTRIAL PLUS and I/O versions)
(or loudspeaker+microphone)