User manual
Modem GSM protocol for pCO
2
Carel code +030220330 Rel. 2.0 del 30/10/02
2
CONTENTS
IMPORTANT WARNINGS
............................................................................................................................................. 15
INTRODUCTION
............................................................................................................................................................ 17
1.
GENERAL INFORMATION ON THE pCO
2
/GSM PROTOCOL
...................................................................... 17
2.
PROTOCOL USE REQUIREMENTS
................................................................................................................. 18
2.1
P
CO
2
REQUIREMENTS
........................................................................................................................................... 18
2.2
GSM
MODEM REQUIREMENTS
.............................................................................................................................. 18
2.2.1
Disabling the modem flow control .............................................................................................................. 18
2.2.2
Disabling the PIN code............................................................................................................................... 21
2.2.3
Entering the Service Centre number ........................................................................................................... 21
2.2.4
Deleting all messages before utilization...................................................................................................... 21
3.
pCO
2
/GSM PROTOCOL SELECTION
................................................................................................................ 22
4.
CONNECTIONS
................................................................................................................................................... 22
4.1
RS232
SERIAL CARD
............................................................................................................................................. 22
4.1.1
Setting the baudrate between the pCO² and the modem .............................................................................22
4.1.2
Auto-baudrate problem in the SIEMENS T35............................................................................................. 22
4.2
P
CO
2
-
MODEM CABLE
......................................................................................................................................... 22
5.
NOTES ON THE MODEM MANAGEMENT PROCEDURES
......................................................................... 23
5.1
M
ODEM INITIALIZATION
........................................................................................................................................ 23
5.2
D
ISCONNECTION SEQUENCE
................................................................................................................................. 23
5.3
SIM
CARD VOICE NUMBER AND DATA NUMBER
...................................................................................................... 23
6.
SENDING SMS ALARM MESSAGES
................................................................................................................ 24
6.1
M
ESSAGE SENT OUTCOME
..................................................................................................................................... 24
6.2
C
HARACTER SET
................................................................................................................................................... 24
7.
RECEIVING SMS MESSAGES
........................................................................................................................... 25
7.1
M
ESSAGE RECEPTION OUTCOME
........................................................................................................................... 26