Secustos MU20 LEGIC Multi-frequency access control reader (exemplary illustrations) Secustos is a design-oriented multi-technology reader family. This reader for physical access applications is one of the flattest readers on the market. It supports up-to-date interfaces and protocols, like RS-485 and OSDP, but also Wiegand. The IP65 protected housing is made of high-class materials that confer the reader a unique look and feel. Secustos MU20 LEGIC supports a broad range of HF and LF contactless technologies. Many mobile use cases can be facilitated with its NFC and BLE functions, like authentication and data communication. Appealing flat design with premium look and feel, different colors for perfect architectural integration Easy installation with in-wall flush-mount boxes or on-wall mounting frame Supports LEGIC Connect thanks to integrated LEGIC frontend chip Water and dust protected, IP65 potted housing Interfaces: RS-485, OSDP protocol or Wiegand Dimmable LEDs, available with or without additional function key and backlit keypad Proximity sensor, ambient light sensor, tamper switch Versatile remote update and configuration features Mobile app for device parameter configuration via contactless NFC © 2025 – Secustos MU20 LEGIC – data sheet – DocRev06 – 02/2025

TECHNICAL DATA FREQUENCIES "The product has been certified for use in many countries and regions. Contact your Sales representative for detailed information about all certifications and approvals granted to the product. © 2025 - Secustos MU20 LEGIC - data sheet - DocRev06 - 02/2025

Reader models with keypad T4SW-DL10NDSW7-OSEU: Reader with silver frame/white glass front T4SW-DL10NDGY7-OSEU: Reader with gray frame/gray glass front ORDER CODES Reader models without keypad T4SW-DL00NDSW7-OSEU: Reader with silver frame/white glass front T4SW-DL00NDGY7-OSEU: Reader with gray frame/gray glass front © 2025 - Secustos MU20 LEGIC - data sheet - DocRev06 - 02/2025

TECHNICAL DRAWINGS © 2025 – Secustos MU20 LEGIC – data sheet – DocRev06 – 02/2025

Power supply Input voltage 6 - 28 V1) Ground Data transfer1* A+ RS-485, cable length: max. 1000 m D0 Wiegand D0, cable length: max 200 m D1 Wiegand D1, cable length: max 200 m IN1 Digital input 1, cable length: max 200 m IN2 Digital input 2, cable length: max 200 m IN3 Digital input 3, cable length: max 200 m Digital input S (for external Sabotage switch), optional if INS sabotage button is not available on the reader, cable length: max Cable routing requirements: twisted pair cabling (D0/GND, D1/GND). Refer to the Secustos manual for detailed information about cabling and dimensions. Maintenance...