Mircom RB-MD-1245-2000 Replacement Main Controller for TX3 Telephone Access Systems, 2,000 Names

Get back to dependable access control fast with the Mircom Replacement Main Controller for TX3 telephone access systems. Designed as an OEM replacement main controller (RB-MD-1245-2000) for C-model TX3 units, this motherboard restores voice entry, directory management and security monitoring without a full system overhaul. It supports up to 2,000 names, making it ideal for large residential complexes, commercial facilities and multi-tenant buildings that require scalable access solutions.

Technicians will appreciate the straightforward swap-in design and compatibility with existing C-model hardware, plus the model replaces older RB-MD-1398-2000-256 units for an easy upgrade path. Manufactured in Canada, the controller delivers industry-grade reliability for voice entry, surveillance integration and centralized monitoring. By choosing this Mircom main controller, you reduce installation time, preserve system investments and maintain uninterrupted access control operation.

Upgrade or replace your TX3 controller today to restore secure, scalable voice entry and monitoring — contact your Mircom distributor or order now to minimize downtime.

• Restores full TX3 telephone access functionality quickly to minimize downtime and maintain building security
• Supports up to 2,000 names, enabling large-scale voice entry and access control directories
• Direct OEM replacement (RB-MD-1245-2000) for C-model TX3 systems for seamless compatibility
• Simple installation and setup reduce service time and labor costs for integrators and technicians
• Built for reliable monitoring and surveillance integration in commercial and multi-tenant environments