1.2
SNM15
Introduction
Digicom SpA
Environmental Conditions
Operational temperature :
from 0
°
C to +50
°
C
Storage temperature
:
from -20
°
C to +80
°
C
Relative moisture
:
from 5% to 92% non condensing
Mains Power Supply
Power supply voltage
:
220 Vac. (-15% : +10%) frequency
47 : 63 Hz.
Consumption
:
3 VA
Digital Interface
The modem is equipped with two data interfaces: MAIN PORT
and COMMAND PORT. The former can be used indifferently for
programming the modem and transmitting data to a remote
modem, the latter can only be used to program the modem.
Communication procedure
:
asynchronous Start/Stop serial
Character format
:
see table:
1 start bit
7 data bits
even/odd
1 stop bit
1 start bit
7 data bits
mark/space
1 stop bit
1 start bit
7 data bits
no parity
2 stop bits
1 start bit
8 data bits
no parity
1 stop bit
MAIN PORT
:
The connector marked by this
abbreviation is the main port of the
modem. By using this connector,
the initial functions of
programming and enabling
