SDC/Security Door Controls 701UL2 Maintained Key Switch

SDC/Security Door Controls 701UL2 Maintained Key Switch Controller

Overview

The SDC 701UL2 is a maintained key switch controller designed for distributed access control installations. It manages up to 63 doors with support for 250,000 user credentials, making it suitable for mid-to-large enterprise deployments. The unit integrates into existing security infrastructure through OSDP and TCP/IP communication protocols.

Compatibility

Supports multiple credential technologies including DESFire, MIFARE, NFC (13.56 MHz), and 125 kHz proximity cards. Compatible with standard access control system architectures requiring multi-door coordination and centralized credential management. Ideal for security integrators implementing enterprise-scale door control solutions.