Suprema DM-20 Secure Multi-Door Module
User Manual

Suprema DM-20 Secure Multi-Door Module Installation Guide

Safety information

Please read this safety instructions before you use the product to prevent injury to yourself and others and to prevent property damage. The term ‘product’ in this manual refers to the product and any items provided with the product.

Instructional icons

Suprema DM-20 Secure Multi-Door Module Installation Guide - Instructional icons
Suprema DM-20 Secure Multi-Door Module Installation Guide - Warning or Caution iconWarning
Installation
Do not install or repair the product arbitrarily.

  • This may result in electric shock, fire, or product damage.
  • Damages caused by any modifications or failure to follow installation instructions can void the manufacturer’s warranty.

Do not install the product in a place with direct sunlight, moisture, dust, soot, or a gas leak.

  • This may result in electric shock or fire.

Do not install the product in a location with heat from an electric heater.

  • This may result in fire due to overheating.
    Install the product in a dry location.
  • Humidity and liquids may result in electric shock or product damage.

Do not install the product in a location where it will be affected by radio frequencies.

  • This may result in fire or product damage.

Operation
Keep the product dry Suprema DM-20 Secure.

  • Humidity and liquids may result in electric shock, fire, or product damage.

Do not use damaged power supply adaptors, plugs, or loose electrical sockets.

  • Unsecured connections may cause electric shock or fire.
    Do not bend or damage the power cord.
  • This may result in electric shock or fire Suprema DM-20 Secure.

Suprema DM-20 Secure Multi-Door Module Installation Guide - Exclamation mark iconCaution
Installation
Do not install the power supply cable in a location where people pass by.

  • This may result in injury or product damage.
    Do not install the product near magnetic objects, such as a magnet, TV, monitor (especially CRT), or speaker.
  • The product may malfunction Suprema DM-20 Secure.
    Operation
    Do not drop the product or cause impacts to the product.
  • The product may malfunction.
    Do not press buttons on the product by force or do not press them with a sharp tool.
  • The product may malfunction.
    When cleaning the product, mind the following Suprema DM-20 Secure.
  • Wipe the product with a clean and dry towel.
  • If you need to sanitize the product, moisten the cloth or the wipe with a proper amount of rubbing alcohol and gently
    clean all exposed surfaces including the fingerprint sensor. Use rubbing alcohol (containing 70% Isopropyl alcohol) and a clean, non-abrasive cloth like lens wipe.
  • Do not apply liquid directly to the surface of the product.
    Do not use the product for anything other than its intended use.
  • The product may malfunction Suprema DM-20 Secure.

Introduction

Components

Suprema DM-20 Secure Multi-Door Module Installation Guide - Components

Installation Example

DM-20 is connected with various I/O and Wiegand and can be compatible with 3rd party device.
It can be used supervised input, a supervised connection is a four-state connection to determine if the connection is Open, Short, On, Off Suprema DM-20 Secure.

Suprema DM-20 Secure Multi-Door Module Installation Guide - Installation Example

Installation

DM-20 can be mounted with bracket or support boss Suprema DM-20 Secure.

Mounting the Bracket

Suprema DM-20 Secure Multi-Door Module Installation Guide - Mounting the Bracket

Mounting the Support Boss

  1. With the mounting screws and support bosses for DM-20, mount the bracket firmly onto the surface where DM-20 is to be installed.

Suprema DM-20 Secure Multi-Door Module Installation Guide - Mounting the Support Boss

  • Suprema DM-20 Secure Multi-Door Module Installation Guide - Information iconIf DM-20 should be installed onto a concrete wall, make a hole with a drill, and then insert a PVC anchor into the hole before screwing the mounting screw.

Power connection

  • Do not share the power with the access controller.
  • If the power is shared by other devices, it should provide 9-18 V and a minimum of 500 mA.
  • If the power is shared by Wiegand devices, it is recommended to provide 12 V and 2.5 A.

Suprema DM-20 Secure Multi-Door Module Installation Guide - Power connection

RS-485 connection

  • RS-485 should be AWG24, twisted pair, and maximum length is 1.2 km.
  • Connect a termination resistor (120) to both ends of a RS-485 daisy chain connection. It should be installed at both ends of the daisy chain. If it is installed in the middle of the chain, the performance in communicating will deteriorate because it reduces the signal level.
  • Up to 31 card readers or up to 7 fingerprint devices with 24 card readers can be connected with DM-20. (If Xpass set to master device, fingerprint devices cannot be connected as slave device.) Suprema DM-20 Secure

Suprema DM-20 Secure Multi-Door Module Installation Guide - RS-485 connection

Relay

Fail Safe Lock

In order to use the Fail Safe Lock, connect the N/C relay as shown in the figure below. There is normally a current flowing through the relay for the Fail Safe Lock. When the relay is activated, blocking the current flow, the door will open. If the power supply to the product is cut off due to a power failure or an external factor, the door will open.

  • Suprema DM-20 Secure Multi-Door Module Installation Guide - Information iconConnect a diode to both ends of the power input as shown in the figure below when installing a deadbolt or a door strike. Make sure to connect the Cathode (direction to the stripe) to the + part of the power while paying attention to the direction of the diode Suprema DM-20 Secure.

Suprema DM-20 Secure Multi-Door Module Installation Guide - Fail Safe Lock

Fail Secure Lock

In order to use the Fail Secure Lock, connect N/O relay as shown in the figure below. There is normally no current flowing through the relay for the Fail Secure Lock. When the current flow is activated by the relay, the door will open. If the power supply to the product is cut off due to a power failure or an external factor, the door will lock.

  • Suprema DM-20 Secure Multi-Door Module Installation Guide - Information iconConnect a diode to both ends of the power input as shown in the figure below when installing a deadbolt or a door strike. Make sure to connect the Cathode (direction to the stripe) to the + part of the power while paying attention to the direction of diode Suprema DM-20 Secure.

Suprema DM-20 Secure Multi-Door Module Installation Guide - Fail Secure Lock

Wiegand

If the power is shared by Wiegand devices, it is recommended to connect 12V and 2.5 A to DM-20 Suprema DM-20 Secure.

Suprema DM-20 Secure Multi-Door Module Installation Guide - Wiegand

  • Suprema DM-20 Secure Multi-Door Module Installation Guide - Information iconYou can use 12V, Max. 1.5A for Wiegand devices. If you connect a device that needs 1.0A to WIEGAND 0, WIEGAND 1 deliver only 500mA.

Door button

IN0(SP), IN1(SP), IN4(SP), IN5(SP) terminals support the supervised input, and it operates always as N/C(normally closed). If you want to connect with non-supervised input, use IN2, IN3, IN6, IN7 terminals Suprema DM-20 Secure.

Suprema DM-20 Secure Multi-Door Module Installation Guide - Door button

Door sensor

IN0(SP), IN1(SP), IN4(SP), IN5(SP) terminals support the supervised input, and it operates always as N/C(normally closed). If you want to connect with non-supervised input, use IN2, IN3, IN6, IN7 terminals Suprema DM-20 Secure.

Suprema DM-20 Secure Multi-Door Module Installation Guide - Door sensor

Product Specifications

Suprema DM-20 Secure Multi-Door Module Installation Guide - Product Specifications

Dimensions

Suprema DM-20 Secure Multi-Door Module Installation Guide - Dimensions

FCC compliance information

THIS DEVICE COMPLIES WITH PART 15 OF THE FCC RULES. Operation is subject to the following two conditions:
(1) This device may not cause harmful interference, and Suprema DM-20 Secure
(2) This device must accept any interference received, including interference that may cause undesired operation.

  • Suprema DM-20 Secure Multi-Door Module Installation Guide - Information iconThis equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a commercial installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions manual, it may cause harmful interference to radio communications. Operation of this equipment in a residential area is likely to cause harmful interference, in which case the user will be required to correct the interference at his own expense.
  • Modifications: Any modifications made to this device that are not approved by Suprema Inc. may void the authority granted to the user by the FCC to operate this equipment Suprema DM-20 Secure.

Appendices

Disclaimers

  • Information in this document is provided in connection with Suprema products Suprema DM-20 Secure.
  • The right to use is acknowledged only for Suprema products included in the terms and conditions of use or sale for such products guaranteed by Suprema. No license, express or implied, by estoppel or otherwise, to any intellectual property is granted by this document.
  • Except as expressly stated in an agreement between you and Suprema, Suprema assumes no liability whatsoever, and Suprema disclaims all warranties, express or implied including, without limitation, relating to fitness for a particular purpose, merchantability, or noninfringement.
  •  All warranties are VOID if Suprema products have been: 1) improperly installed or where the serial numbers, warranty date or quality assurance decals on the hardware are altered or removed; 2) used in a manner other than as authorized by Suprema; 3) modified, altered, or repaired by a party other than Suprema or a party authorized by Suprema; or 4) operated or maintained in unsuitable environmental conditions.
  •  Suprema products are not intended for use in medical, lifesaving, life-sustaining applications, or other applications in which the failure of the Suprema product could create a situation where personal injury or death may occur. Should you purchase or use Suprema products for any such unintended or unauthorized application, you shall indemnify and hold Suprema and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that Suprema was negligent regarding the design or manufacture of the part.
  • Suprema reserves the right to make changes to specifications and product descriptions at any time without notice to improve reliability, function, or design.
  • Personal information, in the form of authentication messages and other relative information, may be stored within Suprema products during usage. Suprema does not take responsibility for any information, including personal information, stored within Suprema’s products that are not within Suprema’s direct control or as stated by the relevant terms and conditions. When any stored information, including personal information, is used, it is the responsibility of the product users to comply with national legislation (such as GDPR) and to ensure proper handling and processing.
  •  You must not rely on the absence or characteristics of any features or instructions marked “reserved” or “undefined.” Suprema reserves these for future definition and shall have no responsibility whatsoever for conflicts or incompatibilities arising from future changes to them.
  • Except as expressly set forth herein, to the maximum extent permitted by law, the Suprema products are sold “as is”. · Contact your local Suprema sales office or your distributor to obtain the latest specifications and before placing your product order Suprema DM-20 Secure.

Suprema DM-20 Secure Copyright Notice

Suprema has the copyright of this document. The rights of other product names, brands, and trademarks belong to individuals or organizations who own them..

Suprema LogoSuprema Inc.
17F Parkview Tower, 248, Jeongjail-ro, Bundang-gu, Seongnam-si, Gyeonggi-do, 13554, Rep. of KOREA Tel: +82 31 783 4502 | Fax: +82 31 783 4503 | Inquiry: [email protected]

Suprema DM-20 Secure Multi-Door Module Installation Guide - QR CodeFor more information about Suprema’s global branch offices, visit the webpage below by scanning the QR code. http://www.supremainc.com/en/about/contact-us.asp

© 2021 Suprema Inc. Suprema and identifying product names and numbers herein are registered trade marks of Suprema, Inc. All non-Suprema brands and product names are trademarks or registered trademarks of their respective companies. Product appearance, build status and/or specifications are subject to change without notice.

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