Sonic GSM
+5 VDC GND
1G
±1uF
C1+
Vcc
5 to 10V V+
C1-
10Y
+
Panasonic
M AX232/M AX3232 C2+
8
o—
Charge Pin
&
C2-
10VtO-10V
V-
6 -10V
2
10uF
TTL RS232 JM_1 K Ro1
Ti2
Serial Out
To1
T02
Serial In
GND o-
>
Ro2
RD232 - DB9
=© RD
Ri1
Ri2
■o TD
GND
-o GND