ER502
Streamlined Access Control with ER502’s Tamper-Proof Design

Single- Access Portal Interface Unit

ER502: Enhanced Single-Portal Interface for Secure Access
The ER502 is a RS-485 single access portal reader interface unit designed to greatly increased the flexibility design of the Matrix V system. Door peripherals like readers, keypads and door locking mechanisms are directly connected to ER502 to provide a tamper proof solution and to reduced the cabling works and costing from door peripherals to the main controller.

ER502
Single- Access Portal Interface Unit
The ER502 simplifies access control setup by connecting door peripherals directly, ensuring tamper resistance while reducing cabling costs.
RS-485 Connectivity
Ensures stable and reliable communication between controllers and readers for long-distance installations.
High-Speed Data Transfer
Enhanced baud rate of 57,600 bps enables faster and more efficient system communication.
Multiple Card Format Support
Supports up to 7 different card formats, providing flexibility for various credential types.
Customer Code Protection
Includes customer code support for an added layer of system security and customization.
Offline Supervisory Cards
Supports 10 offline supervisory cards for secure system management even without network connectivity.


