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Fit the CB241 cable to the AT240 system connector

a. The CB241 cable has a DB9 female RS232 connector and 4 way Molex Microfit

connector for power and ignition.

b. Connect the DB9 serial connector to your PC COM port or USB-RS232 adapter

c. If you have fitted a battery you should now see text scrolling continuously from the

AT240 to Tera Term

d. Connect the power as outlined below

CB241 cable (samtec IP68 cable)

CB001 cable (3 way power & ign)

Molex Microfit connector

e. Connect the IGNITION wire to an ignition switched 12/24V signal (i.e. something that

only goes live when the vehicle ignition is ON). This is not necessary when using

IGNM=3, in this mode engine running is detected from external voltage

7. Configure Settings

a. Once the device is running and you can see output text scrolling in Tera Term, you are

ready to configure the device by typing or pasting commands into the Tera Term

window (note: these commands can be send by SMS also).

b. Configure GSM/GPRS network operator APN settings to suit your SIM using the

following commands:

$APAD,<apn_address>

$APUN,<apn_username>

$APPW,<apn_password>

example:

$APAD,mobiledata

if you don't know the appropriate APN settings for the network operator you are

using, you can look them up from:

c. Configure your server IP Address (or hostname) and port. This is the destination that

the AT240 will deliver data reports via TCP or UDP socket connections. The

commands are:

$IPAD,<ip_address_or_hostname>

$PORT,<port_number>

NOTE: IP address should be entered WITHOUT LEADING ZEROS

+VE Power

black

red

pin 1

http://www.taniwha.org.uk/gprs.html

-VE Power

IGNITION

red

green

black

white

pin 2

pin 3