Replacing an NXT-MSC 2D or 4D Controller

Replacing an NXT-MSC 2D or 4D Controller

If you need to replace an NXT-MSC (Mercury-Powered) 2-door or 4-door controller in the Doors.NET software, such as if it has been damaged, please use the following procedure to minimize the amount of system down-time:

  1. Right-click the old controller in the hardware tree (Setup >> Hardware Setup >> All) choose Disconnect.
  2. The controller will immediately go offline.
  3. Or simply down-power the old controller.
  4. In the controller properties locate the controller's MAC address (ensure that Advanced View is enabled). The MAC address begins 00-14-34.

    MAC Address

  5. Change the last 3 segments of the MAC address (entering the new/replacement controller's MAC address).

    NXT-MSC MAC

  6. Perform a scan in Doors.NET to detect the new controller.

  7. The replacement controller will be assigned a new DHCP IP address.

  8. Make a note of this IP address.

  9. Return to the hardware tree and select the controller to display the controller properties.

  10. Enter the new IP address into the controller properties.

    New IP Address

  11. Save the controller settings and the replacement controller will come online.

  12. Right-click the controller in the hardware tree. Choose Reset >> Memory.

    NXT-MSC_Controller_Reset

  13. The controller will be reset and a total update will automatically be sent to the controller.

    • Related Articles

    • NXT-MSC Controller - Controller Setup Guide

      1.0 Introduction Doors.NET installation and configuration is a three step process. Each of these steps is covered separately in the help file and there are also separate standalone documents available: Doors.NET Software Installation (document P/N: ...

    • NXT-MSC - Controller Encryption

      1.0 NXT-MSC Controller Encryption Introduction The ability to encrypt the communications path is needed when that path includes a network that is shared and carries other data. In the case of a serial connection, physical access to the communication ...

    • NXT-MSC - Controller Internal Configuration

      Effective from Doors.NET v4.0.3 it is now possible to make various controller configuration changes within Doors.NET rather than via a web browser. This section explains how to access the controller internal configuration and which configuration ...

    • NXT-MSC Controller - Feature Highlights

      NXT Mercury-Powered (MSC) 2D/4D Controller Feature Highlights Cardholders • Temporary Cards (automatic card expiration) by use count, number of days or date/time • Supervisor Cards, 2 Man Rule, Man Trap/Airlock • Area Control for Local Anti-Passback, ...

    • NXT-MSC 2D/4D Controller Hardware Installation Guide

      1.0 Introduction This document contains basic information for the installation of the NXT-MSC 2D and 4D controllers. 2.0 Important Note: Keri Public Statement on the Amazon Key Keri does not support the use of the Amazon Key on Keri controllers. The ...