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CIAS Elettronica S.r.l.
Ed 2.3
Installation manual
Page
60
of
79
IB-SYSTEM-R
3.2 RS232 serial lines
Serial RS232 connectors are available directly on the back panel of IB-System-R (connectors
CON8 and CON9). It is possible to use these serial lines to connect data terminals and
supervision systems, or to update the firmware on IB-System cards. There is also the CON10
connector that can be used to connect a modem to perform remote telephone assistance. Port
CON10 can be used only if CON8 is not used, only one port can be used at same time.
Warning
: in order to perform firmware updates on the system cards it is obligatory to only use
the computer serial line connected via a cable to MS3 on the rear of the system.
3.2.1 Connecting a modem
Use connector CON10 to connect a modem. In this case CON8 must not be used.
MODEM
MODEM
Phone
line
Remote
station
Il is possible to use a modem to provide remote system assistance; connect the modem to
CON10 connector, unplug the server card to access the modem jumper settings:
MODE1: modem line is always activated.
MODE2: modem line is automatically activated on incoming call.
MODE3: modem line is never activated.
Jumper J2 must be closed when a modem is used; led DCD lights when modem line is activated.
DCD
J1
J2
MODE 1
J1
MODE 2
MODE 3
Содержание IB-SYSTEM-R
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