Keri Systems NXT-4D-MSC (formerly NXT-4D-MDN) 4 Door NXT Controller with Mercury Powered
SKU
NXT-4D-MSC (formerly NXT-4D-MDN)
Model No
NXT-4D-MSC (formerly NXT-4D-MDN)
$1,172.88
Product Highlights
- 4 Door/8 Reader Controller for Keri™s NXT product line
- On-board TCP/IP connectivity “ no network adapters required
- Manages 4 doors with In/Out capability when using NXT Readers
- Utilize existing LAN/WAN/Ethernet or pull your own dedicated CAT-5/6 Network
- Embedded MAC Address for one button Auto-Con guration

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The Keri Systems NXT-4D-MSC Controller is designed for modern IT environments, providing an efficient, cost-effective access control solution. Utilizing TCP/IP networks eliminates cabling costs while ensuring robust performance and bandwidth efficiency. The controller supports up to four doors with intelligent decision-making capabilities, and it seamlessly integrates with a variety of Keri readers for secure access management.
Keri Systems NXT-4D-MSC Controller Features
- 4 Door/8 Reader Controller: Efficiently manages access with up to 4 doors and 8 readers, enhancing security and access control for various environments.
- On-board TCP/IP Connectivity: Eliminates the need for additional network adapters, simplifying installation and reducing costs.
- In/Out Capability: Supports dual-functionality for each NXT reader, allowing for precise access control tracking.
- Flexible Network Options: Utilizes existing LAN/WAN/Ethernet setups or allows for dedicated CAT-5/6 networks, providing installation versatility.
- Embedded MAC Address: Features one-button Auto-Configuration, streamlining the setup process and enhancing user experience.
- Standard Connection Ports: Comes with built-in 4 Pin Block and RJ-45 Jack for straightforward network connectivity.
- Re-assignable Inputs and Outputs: Offers customization for inputs and outputs to suit specific access control needs.
- Quick Disconnect Connectors: Simplifies maintenance and installation processes, enhancing operational efficiency.
- High Capacity: Supports 48,000 cardholders and a 10,000 event buffer, accommodating large installations with ease.
- Locking Metal Enclosure: Durable design with an option for a no-enclosure setup, ensuring security and protection of the device.
- 128 Bit Encryption: Enhances security of data transmission, safeguarding against unauthorized access.
- Mercury Firmware Integration: Provides enhanced functionality and advanced features for robust access management solutions.
Detailed Specifications for Keri Systems NXT-4D-MSC
| Feature | Details |
|---|---|
| Product Type | 4 Door NXT Controller |
| Model Number | NXT-4D-MSC (formerly NXT-4D-MDN) |
| Manageable Doors | 4 |
| Reader Compatibility | 8 NXT Series Proximity Readers or standard Wiegand readers |
| Data Capacity | 48,000 cardholders, 10,000 event buffer |
| Network Interface | On-board TCP/IP with built-in RJ-45 |
| Encryption | 128 Bit |
| Enclosure Type | Locking Metal Enclosure or no-enclosure option |
| Compatibility | Works with Keri’s Doors.NET software |
| Expansion Capability | Up to four companion 4X4 Input/Output boards |
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