24 Input Serial Encoder Board
Best compact encoder for integrating intercom systems into security software.
The Alpha Communications IN024A is a 24-input serial encoder board designed to capture voltage or dry contact inputs from intercoms and call stations. It efficiently transmits data via RS232 to a PC running VisitorVerifier or AlphaEntry software. This compact board is ideal for space-limited installations, offering easy surface mounting on finished walls. For optimal performance, it requires a specific 5Vdc power supply and cable. This encoder board provides a reliable solution for various security and access control applications, simplifying data capture and system integration.
$267.41
Owner Satisfaction
4.6
/ 5
Category Rank
92
/ 250
#92 in Circuit Decoders & Encoders
Price vs Category Average
-82%
Below average
Input Capacity
24
/ voltage or dry contact inputs
Who it's for
- Installers looking to minimize complex wiring and save time
- System integrators needing reliable long-distance communication
- Facility managers requiring dependable performance for critical monitoring
Who should skip it
- Budget-conscious buyers seeking generic or modular expansion solutions
- Novice technicians lacking advanced serial configuration experience
- Users preferring flexibility to mix and match different brands
Performance breakdown
Input Density
Twenty-four inputs in such a compact footprint is highly efficient.
Integration Versatility
Seamlessly bridges legacy intercom hardware with modern software management systems.
Installation Ease
Surface-mount design simplifies deployment in tight, space-constrained wall environments.
Data Reliability
Robust serial output ensures consistent signal transmission for critical security tasks.
Form Factor
Minimalist dimensions allow for discreet placement in professional intercom setups.
System Compatibility
Reliable performance when paired with specific Alpha Communications software suites.
Key Specs
Input Capacity
24 voltage or dry contact inputs
Data Output
RS232 serial data
Dimensions
4" x 3" x 0.75"
Mounting Type
Surface Mount
Power Supply Requirement
5Vdc
Required Cable
Mta100-13-12
Communication Protocol
Digital
System Compatibility
Business Intercoms
Features
- Captures up to 24 inputs
- RS232 serial data output
- Easy surface mounting
- Compact, space-saving design
- Integrates with VisitorVerifier/AlphaEntry
- Ideal for intercom systems
- Reliable data capture
- Efficient system integration
What customers say
This serial encoder board is highly praised for its exceptional reliability and straightforward integration. Users find the serial communication protocol intuitive, making setup simple even for complex systems. It is considered a robust and dependable component, performing consistently to provide system builders with confidence in long term stability and input handling. This board offers peace of mind through its reliable performance and ease of use.
Know before you buy
The board is designed to handle up to 24 inputs, supporting both standard voltage signals and dry contact closures from your intercom or call stations.
No, the power supply and the required Mta100-13-12 cable are sold separately. You will need a 5Vdc power source to operate the unit.
The IN024A is specifically engineered to integrate with Alpha Communications' VisitorVerifier and AlphaEntry software suites for seamless data management.
The board features a compact 4" x 3" x 0.75" footprint and is designed for easy surface mounting, making it well-suited for installation on finished walls where space is limited.
The unit converts the input signals into an RS232 serial data output, which allows for direct communication with your PC-based security or access control system.
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$267