Samsung SCQ-041AP - Manual (Page 19)

Chapter 1
7
7 ALARM IN/OUT This is the alarm control connector, which
connects the sensor to four alarm input
terminals and connects the output terminal
to an external unit, such as an alarm input
terminal of a time lapse VCR. The alarm
reset output terminal should be connected
to the Alarm Reset Input terminal of a
external unit (such as time lapse VCR).
8 RS-232C You can control the SCQ-041P remotely by
connecting the remote control connector to
a PC with a terminal emulation program
using an RS-232C cable.
9 ~AC IN This is an input terminal that connects to
AC 100V-240V power.
NOTE
The above connectors 1 to 4 are 75 ȑ automatic terminal resistance.
Therefore, this unit can be used to input image signals of the other
components.