Connecting Alarms; Ai 1 To 16 (Alarm In); Gnd (Ground); Figure 2-7 Alarm Input Connector Strips - Honeywell HRHD4+ User Manual

Installation

Connecting Alarms

To make connections on the Alarm Connector Strip:
1.
2.
3.
4.

AI 1 to 16 (Alarm In)

You can use external devices to signal the DVR to react to events. Mechanical or
electrical switches can be wired to the AI (Alarm In) and GND (Ground) connectors. The
threshold voltage is 4.3V and should be stable at least 0.5 seconds to be detected. See
Chapter 3, Configuration

GND (Ground)

Connect the ground side of the Alarm input and/or Alarm output to the GND connector.
Rev 3.01
Figure 2-7
Press and hold the button.
Insert the wire in the hole below the button.
After releasing the button, tug gently on the wire to make certain it is connected.
To disconnect a wire, press and hold the button above the wire and pull out the
wire.
for configuring alarm input.
Note All the connectors marked GND are common.
Alarm Input Connector Strips
10 Document 900.0258
10/05