Si-tex SAS-600, Installation And Operation Manual, Page: 37 / 78

Installation and configuration
Page 34
Note: Any unused ports should be terminated by a 120 Ohm resistor across
RX A and RX B signals. COMMON signals should be grounded.
All sensor ports can be configured via the Interface settings menu which can
be found under the
‘Home’ > ‘System settings’ > ‘Interfaces’ menu option.
3.4.6 Alarm connections
The AIS transceiver also provides connections to the alarm relay contacts.
The alarm relay connections are described in Table 4. These should be
connected using an optional accessory cable or Junction Box.
Table 4 Alarm relay connections
Alarm connection Function Contact rating
COM Alarm relay common
connection
2A at 220VDC or 60W
maximum
NC Alarm relay normally
closed connection