![background image](http://html1.mh-extra.com/html/telit-wireless-solutions/3-990-150-463/3-990-150-463_user-manual_1083592013.webp)
GC868-DUAL EVK2 User Guide
1vv0300803 Rev.1- May 2009
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved
page 13
of 55
4 Startup procedure
The motherboard factory setup is:
Serial port …………………………
RS232
DC source …………………………
+ (5÷40) V /
≥
1A
Batt.Charger connector (PL106)…
On
RX Amplifier………………………..
Audio 1
Respect the following order to use the EVK2:
9
insert your SIM card
9
set properly all jumpers in the desired position
9
plug the module Interface board into PL201 and PL202
9
connect the antenna to RF connector (on module or on Interface Board)
9
connect the audio accessories if required
9
plug the external power supply into the right socket, depending from DC source
9
switch ON the power supply
9
connect the serial cable between your PC and UART (RS232 or USB 1.1)
9
push ON/OFF button for at least 2 seconds until the STATUS LED is on
Your EVK2 should now be operational and ready to receive AT Commands.
4.1 Golden rule
When you use USB port, it is very important to respect the following sequences:
start first turning O
N
your
EVK2
and then connecting it to your
PC
;
stop first disconnecting your PC and then turning
OFF
your
EVK2
.