ZKTeco SLK21M Bedienungsanleitung

Thank you for choosing our product. Please read the instructions carefully

before operation. Follow these instructions to ensure that the product is

functioning properly. The images shown in this manual are for illustrative

purposes only.

For fur the r d eta i ls, ple ase vi s it our Co mpany ’s we b site

www.zkteco.com.

User Manual

SLK21M

Date: July 2022

Doc Version: 1.0

English

Preface

Thank you for choosing our product SLK21M Embedded Optical Fingerprint

Module. Please read this User Manual carefully before use.

We strongly believe that Embedded Optical Fingerprint Module brings you

and your customers an excellent user experience and will uplift your Brand

Image and the Management to a higher level.

However, considering the stability of the product quality or modify the

system settings without professional instructions. For further queries, don't

hesitate to get in touch with the local dealers.

Content

1. Overview.........................................................................................................................1

2. Application Scenarios.................................................................................................2

3. Features...........................................................................................................................3

4. Specifications and Pin Descriptions.....................................................................4

5. Technical Parameters.................................................................................................5

6. Installation on Host (Devices) ................................................................................6

7. Demo Testing Procedure...........................................................................................7

8. Operating Instructions............................................................................................12

Overview

SLK21M is an enhanced version of the SLK20M fingerprint module. It supports a

fingerprint acquisition module with a large capacity and a template storage

expansion function. As a result, its transmission performance is more stable,

and the fingerprint comparison speed is 4 times faster than SLK20M.

Integrating with the excellent fingerprint recognition algorithm, ZKFinger V10.0,

independently developed by ZKTeco, the product can quickly realize offline

extraction and comparison of fingerprint templates on the module, and support

fingerprint template comparison on the host.

It provides a complete SDK, supporting the secondary development integration

of Windows, Android and Linux systems and fulfilling a variety of adaptation

scenarios, such as time & attendance, access control, self-service terminals and

other equipment requiring identity authentication.

Bank Public Security Bureau Education Logistics

Medical Traffic Prison Access Control

Application Scenarios

Note: This Fingerprint Acquisition Module can be integrated into POS machines,

Access Control terminals and Time Attendance terminals, etc.

Features

Light and compact size (thickness of the sensor is only 16mm)

Local encrypted storage of 8,000 fingerprint templates

Offline fingerprint comparison available

Embedded 2-megapixel CMOS, providing clear and high-quality

fingerprint images

Developed based on the Linux operating system, stable and excellent

security performance

Fingerprint comparison speed is 4 times faster than SLK20M with the same

storage capacity

4 5

USB

D-

USB

D+

PIN 1

+5v GND

Shield

6 7

UART UART

Detail

Specifications and Pin Descriptions

Connector Pin 1

Fingerprint Sensor

LED Indicator

Unit: mm

44.25±0.2

36.25±0.2

15.96±0.2

Technical Parameters

USB 2.0

UART (115200bps/TTL 3.3V)

Interface Molex 51021-0700 (7 pin; 1.25mm)

Connector

Hardware

Sensor

Accuracy

Image

Certified By

Dimensions( L * W * H)

0.6 * 0.8 inch/15.24 * 20.32 mm

Capture Dimensions ( W * H )

1.0 GHz, MIPS, FPU, SIMD

CPU

<1%

FRR (False Rejection Rate)

<0.0001%

FAR (False Acceptance Rate)

<1%

Distortion Rate

<2KB

Template Size

ZKFinger V10.0

8,000 templates (max. 10,000)

110ms (1:1); 937ms (1:10,000)

Windows 7 or later version;

Android 5.1 or later version;

Linux

Supported Algorithm

Capacity

Matching Speed

Operating Systems

Power Consumption 5V, 130mA (Active) /5V, 70mA (Standby)

0°C to 45°C / 32°F to 113°F

Operating Temperature

20 to 90% RH (non-condensing)

Operating Humidity

CE, FCC, RoHS

Interface USB2.0

UART (115200bps / T TL 3.3V )

Connector Molex 51021-0700(7-way;1.25mm)

General

1.72 * 1.4 * 0.6 inch/44.68 * 35.56 * 15.24mm

Install the module on the device, as shown below, by tightening the four

screws in the holes and linking the holder to the wire.

Installation on Host (Devices)

Note: In order to ensure good and convenient fingerprint scanning, it is

recommended to install the module on the wall horizontally or at an angle

of 0-45 degrees.

Demo Testing Procedure

It is required that the first time Users need to install the Device Driver

before using the Fingerprint Scanner, and the process is as follows: (If the

Users have already installed the Device Driver of SLK ID series Fingerprint

Scanner, they can directly test without re-installing it.)

Download the Fingerprint Acquisition Module Driver file and then

double-click the setup.exe file to open.

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