Alarm Outputs; Connecting An Open Collector Output - Bosch VCD Series Installation Manual

HD Conference Dome
9.3

Alarm Outputs

The HD Conference Dome incorporates one (1) alarm output:
an open collector output.
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B
Ref. # Description
1
2
3
4
5
6
9.3.1

Connecting an Open Collector Output

Output 1 is an open collector. This output must be connected
to a positive voltage between 5 and 32 V to complete the
circuit, with a maximum voltage rating of 32 VDC @ 150 ma.
1.
2.
Bosch Security Systems, Inc.
C
E
Figure 9.4 N.O. - Normally Open
Dome
Normally Open
Ground
Alarm In
User Supplied Device (i.e. a DVR)
Ground/Common
Connect the appropriate stripped wire to the open
collector of the transistor's white wire.
Connect the appropriate stripped wire to the ground
(GND) connector.
Installation Manual
Audio, Alarms and Relay Connections | en
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Color
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White
Green
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F.01U.265.806 | 1.0 | 2012.03
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