HID Mercury MP1502 Intelligent Controller – ICM Series

ICM-MP1502 hid mercury controller powered by Access360

ICM-MP1502 is a network-based controller used in enterprise access control deployments. The controller supports up to four readers controlling two doors and can expand through RS-485 or Ethernet-based door modules to support up to 64 readers or openings. Security and communication functions are handled within the controller using TLS 1.2/1.3 encryption, AES protection, ARM TrustZone hardware security, and secure boot validation. The MP1502 controller can store 240,000 cardholders and maintain a 500,000-event buffer, making it suitable for commercial buildings, campuses, and distributed access control systems.
HID Mercury MP1502 Intelligent Controller – ICM Series
ICM-MP1502 hid mercury controller powered by Access360
ICM-MP1502 is a network-based controller used in enterprise access control deployments. The controller supports up to four readers controlling two doors and can expand through RS-485 or Ethernet-based door modules to support up to 64 readers or openings. Security and communication functions are handled within the controller using TLS 1.2/1.3 encryption, AES protection, ARM TrustZone hardware security, and secure boot validation. The MP1502 controller can store 240,000 cardholders and maintain a 500,000-event buffer, making it suitable for commercial buildings, campuses, and distributed access control systems.

Key highlights

Open Access Control architecture

ICM-MP1502 controllers work with Access360 software to deliver scalable network-based access control with a flexible door and I/O expansion.
Technical specification
Access Control Capacity
Specifications Particulars
Controller model HID Mercury MP1502 intelligent controller
Expansion (Serial/ Network) Supports up to 32 RS-485 expansion modules
Native reader support Supports up to 4 readers controlling 2 openings
Maximum readers support Up to 64 readers or openings with supported expansion modules
Doors/ Openings Up to 64 doors/ openings
Memory Supports up to 240,000 cardholders, and 500,000 transaction buffer
Hardware & Compliance
Specifications Particulars
Part code ICM-MP1502
IP protocol support IPv4 and IPv6
Power input 12–24 VDC ±10%, 500 mA maximum (reader and USB ports not included)
Cybersecurity features ARM TrustZone, secure boot CPU, crypto chip, data-at-rest encryption, TLS 1.2/1.3, AES-256/128, 802.1X, FIPS 140-3 use of OpenSSL
Operating temperature 0°C to 70°C (32°F to 158°F)
Humidity 5% to 95% non-condensing
Product compliance UL 294 Recognized, FCC Part 15 Class A, CE Compliant, RoHS (2011/65/EU & 2015/863), EU REACH (1907/2006), California Proposition 65

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    Technical documentation
    HID Mercury MP1502 controller datasheet
    HID Mercury MP1502 controller architecture
    HID Mercury MP1502 installation guide
    Open infrastructure in Access Control brochure
    HID Mercury MP1502 comparison chart

    Frequently asked questions

    The Mercury MP1502 controller operates on 12–24 VDC (±10%) input power. The base board typically draws up to 500 mA, while reader ports can require additional current depending on connected devices.

    Access to the MP1502 intelligent controller is handled through the access control software used in the deployment. The controller is discovered on the network, then administrators configure it through the host system for monitoring and device setup.

    Configuration usually begins by connecting the MP1502 controller to power and the network. The controller is then added to the access control platform, where installers configure readers, door settings, access levels, and system parameters.

    For access control installations, the MP1502 controller should use a single properly defined earth ground reference. Grounding practices are typically defined by the installation guidelines used for the overall access control system.

    The MP1502 intelligent controller supports multiple reader technologies, including OSDP, Wiegand, clock-and-data, magnetic stripe, and F/2F reader interfaces. These options allow integration with a wide range of credential readers and access control hardware.

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