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GSM BULK
rev. 2.0 11/2002
INSTALLAZIONE / INSTALLATION
L'installazione del modem deve essere effettuata entro i range di temperatura, e di alimentazione indicati sul manuale d'uso,
pena il danneggiamento del prodotto stesso.
The GSM modem installation must be carried out within a certain range of temperature and power supply as the product could
be damaged.
DESCRIZIONE DEL CONNETTORE / PIN-OUT OF GSM BULK
J5: RS232 [standard]
(male connector 2x7pin lead-space 2.54)
U4: Microphone input [standard]
(male connector 2pin lead-space 2.54)
U5: Speaker output [standard]
(male connector 2pin lead-space 2.54)
J7: RS232 [optional]
(male connector 2x25pin lead-space 1.27)
Alimentazione / Power supply
Vcc = 5Vdc ± 10%
Icc = 350mA typ [1700mA max]
Interfaccia RS232: livelli TTL / RS232 interface: TTL levels
IN Signal: TD, RTS, DTR, On/Off
Vih = 2,0 V min
Il modem è in grado di ricevere comandi AT alle velocità comprese tra 300 e 115200 bit/s.
The modem is set to receive AT commands at speeds between 300 and 115200 bit/s.
PIN J5
PIN J7
1
2
27
3
28
4
30
5
25
6
13
7
29
8
-
9
1-2-6
10
3-4
11
-
12
15
13
-
14
21-24
(U4) 1
20
(U4) 2
-
(U5) 1
12
(U5) 2
-
Vil = 0,8 V max
Quick Guide - Guida Rapida
SIGNAL
DIRECTION
DCD
DTE <-- DCE
DSR
DTE <-- DCE
RxD
DTE <-- DCE
RTS
DTE --> DCE
TxD
DTE --> DCE
CTS
DTE <-- DCE
DTR
DTE --> DCE
RING
DTE <-- DCE
Gnd
-
5Vdc ± 10%
-
-
-
On/Off
DTE --> DCE
-
-
Gnd
-
Mic ( + )
DTE --> DCE
Mic ( - )
DTE --> DCE
Spk ( + )
DTE <-- DCE
Spk ( - )
DTE <-- DCE
OUT Signal: RD, CTS, DSR, DCD, RI
Voh = 2,4 V min
2
ELECTRIC LEVEL
TTL 0 = Active
TTL 0 = Active
TTL 0 = Space
TTL 0 = Active
TTL 0 = Space
TTL 0 = Active
TTL 0 = Active
TTL 0 = Active
0 Volt
5 Volt
N.C.
TTL 1 = On
TTL 0 = Off
N.C.
0 Volt
Vol = 0,4 V max
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