EDW-ML8021
GSM GPRS Modem User’s Manual
Page 2
Content
EDW-ML8021
GPRS Modem User
’
s Manual .............................................................................................. 1
1. Introduction ....................................................................................................................................... 3
2. Product concept ................................................................................................................................. 3
3. Application interface ......................................................................................................................... 5
3.1Pin description .............................................................................................................................. 5
3.2 Operating modes ......................................................................................................................... 5
3.3 LED indication ............................................................................................................................ 6
3.3.1 Red Led is the power indicates. .......................................................................................... 6
3.3.2 Yellow Led is the RING indicates. ..................................................................................... 6
3.3.3 Green Led is the Working state indicates. ......................................................................... 6
4. Mechanical dimension ...................................................................................................................... 7
5. Product List........................................................................................................................................ 8
