Insys GPRS 5.0 serial 11-02-01-03-10.014 Manuale Utente
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11-02-01-03-10.014
INSYS GPRS 5.0 serial
Technical Data
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77
12.4 Serial Interface
Layout of the 9 pin D-Sub jack
Description of the signals at the 9 pin D-SUB jack of the DCE:
9 pin D-SUB
DCE pin no.
DCE pin no.
Description
Function
CCITT
V-24
EIA
RS232
DIN
66020
E/A DCE to
DTE
DTE
1
DCD
Data Carrier Detect
109
CF
M5
O
2
RXD
Receive Data
104
BB
D2
O
3
TXD
Transmit Data
103
BA
D1
I
4
DTR
Data Terminal Ready
108
CD
S1
I
5
GND
Ground
102
AB
E2
6
DSR
Data Set Ready
107
CC
M1
O
7
RTS
Request To Send
105
CA
S2
I
8
CTS
Clear To Send
106
CB
M2
O
9
RI
Ring Indication
125
CE
M3
O
12.5 Interface speeds
Baudrate in bps
300
300
1.200 4.800 19.200* 57.600*
600 2.400
9.600*
38.400*
115.200*
*) TCP transparent
12.6 SIM-Card
To operate, the INSYS GPRS 5.0 serial requires a 3V/1.8V SIM card from a GSM provider.
The SIM card is the identification towards the network provider.
The SIM card must be placed into the carrier with the contacts downward to ensure that
the contacts are on top of each other.
The SIM card is the identification towards the network provider.
The SIM card must be placed into the carrier with the contacts downward to ensure that
the contacts are on top of each other.
Change the SIM card only when the device is switched off.
12.7 Internal Design
For the INSYS GPRS 5.0 serial, a µcontroller is placed in series between the external serial
interface and the GSM/GPRS engine.
All commands sent to the INSYS GPRS 5.0 serial via the serial interface are first received
and evaluated by the µcontroller.
interface and the GSM/GPRS engine.
All commands sent to the INSYS GPRS 5.0 serial via the serial interface are first received
and evaluated by the µcontroller.