Dahua DHI-HY-1330-CTXF Addressable repeater
Dahua DHI-HY-1330-CTXF addressable repeater for addressable fire alarm systems.
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Type
Addressable repeater
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Brand
Dahua
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Series
HY
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Model
DHI-HY-1330-CTXF
Specifications
- Type
- Addressable repeater
- Brand
- Dahua
- Series
- HY
- Model
- DHI-HY-1330-CTXF
- System
- Addressable fire alarm
The Dahua DHI-HY-1330-CTXF addressable repeater amplifies and relays signals on the addressable loop. It is used where the line passes through an electrically noisy environment or its length approaches the limit: the repeater restores the signal shape so the panel polls devices at the far end of the loop reliably.
Advantages
- Signal restoration on long lines — devices at the end of the loop answer consistently
- Stable polling amid electromagnetic interference from power equipment
- Addressable: the repeater itself appears on the panel and is diagnosed as a separate device
- Allows a single panel where a second one would otherwise be needed
- Compatible with HY-series addressable devices
Applications
- Industrial workshops with heavy electrical equipment
- Long cable routes across a plant site
- Sites with several blocks served by one system
- Buildings of complex layout with long loops
Frequently asked questions
How does a repeater differ from an extender module?
Their tasks are close — both help run the loop further. The specific device is chosen from the site layout by the designer.
Does it help against interference from variable frequency drives?
It restores the signal shape, but under heavy interference correct cable routing away from power lines matters just as much. Both measures go into the design.
How do I know a repeater is needed?
The symptoms are polling dropouts on far devices and intermittent false faults. Calculating the line budget at design stage avoids the problem in advance.
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