ERIC 2

Sonic GSM

5V

1G

JiTul

Normal

Modę In o-

-<^C

-ETui

1	CU ^vcc 5 to 1 0V ^C1 MAX232	V +
3
4	C 2 +
5	C2 10V to -10V	V

TTL TM_

RS232

Ro1

10V

6 -10V

10uF

5.1 V    ± ± 1N4148

Zenner

PC - DB-9

li

OuF

-o CT5

Test

Serial Dut o-

12

Serial In o-

1 1

U

jo

12

9

Ti2

i

T o 1

To2

i>-

i>-

“i¹

-<hr

GND

fTF"

Ro2

Ri 1

Ri2

14

7_

II

8

-o RD

-o TD

DCGND o-

-o 5G