Digicom SNM15 Operation Manual page 7

SNM15
COMMAND PORT
Operational mode
Characters Code
Type of interface
Digicom SpA
connection and the real primary
function of transmitting data are
performed. The latter function can
be performed in either synchronous
or asynchronous mode.
: This port can only be used to send
the commands to the modem. The
criteria: CTS, DSR, DCD, when
the port is active, are forced into a
working condition so as to allow
data to be transferred from the
DTE to the DCE and vice-versa.
: In order to program and enable the
connection, the format is start-
stop asynchronous, whereas data
can be transmitted in either
asynchronous or synchronous
format.
: the ASCII code is used for
programming, while there are no
limitations once it has been
connected, the BREAK signal is
also transferred according to the
CCITT V.22 standard.
: In compliance with the CCITT
V.24/V.28 or EIA RS.232C
specifications, the 25 contact
female connectors conform to the
ISO 2110 standards.
Introduction
1.3