Datasheet

Type a GSM phone number (ex: 12345678 90)。

Type a GSM phone number

7.GSM Short Message Functions

◎System Req uirem ents:

◎Notes:

7.1 Inst allation and Settings

1.GSM modem with antenna

1.The RKP-CMU1 is in compliance wit h AT-commands for sending GSM messages. For using this function, a GSM modem equipped

2.Follow the instruction of the user manual of your GSM modem and the instruction belo w to properly set the connection between

wi th those AT-c ommands th at "Section 7.3" m ention ed is n eeded . Refe r to the prod uct below.

Si erra Wireless, AirLink Program mabl e Modems

ht tp://www.sierrawire less.c om/products andservices /AirLink/Pro gramm able_Mode ms.aspx

yo ur GSM modem and the R KP-CMU1. Also make sure the baud rate of the G SM modem is set a t 115200bps.

(1) Inse rt a S IM card into your G SM m odem. Make sure t hat the re is n o PIN (Pers onal Id entifi cation Numb er) rec orded in the

SIM card.

(2) Afte r installing a GSM antenna to your GSM modem and connecting an interface cable between the RKP-CMU1 and your GSM

modem , turn the GS M mo dem on.

The figure be low shows th e connectio n diag ram for a RK P-CMU1 and a GSM modem.

2.Interface cable for GSM modem

3.SIM card

RKP-C MU1

CN502

G SM

mo dem

antenna

DB9 Female

(Standard RS-232)

Short

messa ge

mobile phone