58
Site Hardware
Figure 5-4
Input Configuration During a Maintenance Session
Technical Notes
Inputs to a Multi-Media DVR Used by Hardware Devices
Honeywell recommends that installers report the connection of input devices to the
organization Multi-Media System Administrator (Multi SA), indicating if the devices are
using connections that are: normally open, normally closed or end-of-line.
Alarm Sensors
Most alarm sensor units have a dry contact for outputs, usually providing normally open
(NO) contacts or normally closed (NC) contacts. The sensor inputs to a Multi-Media video
DVR are configured for normally open (NO) devices.
End-of-Line
A sensor input can also be configured as EOL (end-of-line or protected). The load for an
EOL connection is 2 k*, nominal.
Table 5-3
Sensor Hardware
Acronym
Sensor Input
Implication
NO
Normally Open
Input is active when switch goes ON
NC
Normally Closed
Input is active when switch goes OFF
EOL
End of Line
Input is active when switch goes ON, or if
wires to the alarm sensor are cut
Summary of Contents for Rapid Eye
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