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About the BioEntry™ Series
BioEntry™ is an advanced biometric access reader equipped with award
winning fingerprint recognition engine and standard wiegand interface.
BioEntry™ can practically replace legacy and simple readers and be
instantly added onto existing access control systems as well as new
installations.
BioEntry™ Smart is a fingerprint smart card reader that seamlessly
integrates fingerprint and smart card reader into one device. BioEntry™
Smart is designed to replace existing access readers li ke proximity or
magnetic readers without additional wiring. Fingerprint template is stored
in each user’s smart card and there is no need to store fingerprint data in
a reader itself. This eliminates the burden of template management and
networking readers.
BioEntry™ Pass is a fingerprint access reader equipped with fast one to
many fingerprint identification engine. Enrolled with more than hundreds of
users, identification can be done in less than one second.
Following the unique feature of Suprema’s famou s UniFinger™ fingerprint
identification modules, BioEntry™ also provides customers with multiple
choices of fingerprint sensors including optical, capacitive and thermal
sensors.
Suprema is a leading biometric company offering core fingerprint
technologies for embedded and PC applications. Suprema’s fingerprint
products include low cost standalone OEM modules, access control
readers, USB fingerprint scanners and fingerprint algorithm SDK.
Suprema’s fingerprint recognition algorithm was proved to be world top
level by ranking first in the 3rd international Fingerprint Verification
Competition (FVC2004) with the lowest error rate in light category.
Suprema’s fingerprint products have been sold to more than 50 different
countries and are being used in various applications. For more information
on Suprema’s technologies and products, Please visit Suprema’s website
(http://www.supremainc.com) or contact by e-mail
(sales@supremainc.com).
About This Guide
This is an introduction to the installati on of BioEntry™ Smart and Pass.
This guide describes how to install, examples for BioEntry™ and technical
specifications. The purpose of this guide is to provide instructions on using
BioEntry™ Smart and Pass and troubleshooting minor problems.
The BioEntry is connected to other devices of the security system through the
pigtail cable at the rear side.
See
Table 1 for wire colors and signals.
Wire color Signal Description
Shield (naked wire) EARTH
GND
Blue with yellow tracer Reserved
Black with white tracer IN0 TTL IN 0
Black IN1 TTL IN 1
Brown with white tracer OUT0 TTL OUT 0
Brown OUT1 TTL OUT 1
Red with white tracer IO_GND GND, for IO signals
Red Reserved
Orange with white tracer WO_GND Wiegand Output, GND
Orange WO_VREF Wiegand Output, VREF
Yellow with red tracer WO_D0 Wiegand Output, Data 0
Yellow WO_D1 Wiegand Output, Data 1
Dark Green with white tracer WI_D0 Wiegand Input, Data 0
Dark Green WI_D1 Wiegand Input, Data 1
Blue with white tracer COM_GND Comm. GND (for RS -232C)
Blue WI_GND Wiegand Input GND
Ground Earth
Violet with white tracer RX2 Receive data, RS -232C level
Violet TX2 Transmit data, RS -232C level
Gray with red tracer RX+ RX+, RS -485 level
Gray RX - RX-, RS-485 level
White with red tracer TX+ TX+, RS -485 level
White TX - TX-, RS-485 level
Green with yellow tracer POW_GND Power GND
Red with yellow tracer POW+ Power Input
Warnings: Care should be taken identifying the wires. Improper wiring may render
permanent damage to the device or personal injury.
2.2. Power connection
Use ‘POW+’ and ‘POW_GND’ wires to connect BioEntry to a DC supply, rated at
9~24V, 500mA. The power cable shou ld be as short as possible to minimize wire
resistance and emissions.
Additionally, for compliance regulations, a ferrite core should be installed to supply
lines. The installation of this ferrite core is mandatory for R&TTE compliance.
For optimum ESD resistance and safety, please make proper connection of
‘Earth GND’.
Other
signals
Ferrite
Core
3 turns
To power
supply
BioEntry
Ferrite
Core
Pigtail cable
POW+,
POW_GND
Figure 1 Power connection
2.3. Connecting to a Wiegand compatible reader
The BioEntry supports Wiegand compatible readers of various formats, including
26bit standard.
Connect ‘WIN_D0’, ‘WIN_D1’ and ‘WIN_GND’ wires to ‘Data 0’, ‘Data 1’ signals
and signal ground of the Wiegand reader, respectively. The input signals can
tolerate voltages up to 12V dc.
2.4. Connecting to a Wiegand compatible access controller
The BioEntry supports a flexible Wiegand output interface for most access
controllers with Wiegand input ports.
Connect ‘WOUT_D0’, ‘WOUT_D1’ and ‘WOUT_GND’ wires to ‘Data 0’, ‘Data 1’
signals and signal ground of the access controller, respectively. If the access
controller’s input signal level exceeds 5.0V, apply required voltage to
‘WOUT_VREF’ to obtain higher voltage output signals. Be cautious not to
connect ‘WOUT_VREF’ directly to a voltage source, especially when the source
is below 5Vdc. Use a diode and a current limit resistor of a few hundred ohms in
series to prevent excessive currents and damages of the device.
However, ‘WOUT_VREF’ signals can be safely left unconnected as most access
controllers accept 5V Wiegand signals.
2.5. Connecting to the host computer
The BioEntry provides various means to connect to the host computer such as:
being a part of the RS-485 network, direct connection with RS-232C interface and
an auxiliary port for laptops.
2.5.1. Connecting via RS-232C interface
Connect ‘RX2’, ‘TX2’ and ‘COM_GND’ wires to ‘TX’, ‘RX’ and signal ground of
PC’s serial port.
2.5.2. Connecting via RS-485 interface for a full duplex BioEntry network system
Use ‘RX+’, ‘RX -’, ‘TX+’, and ‘TX-’ signals to join a full duplex BioEntry network.
For a full duplex network, two pairs of twisted wires in a shielded cable is needed.
Each signal in all BioEntry devices of the BioEntry network system should be
connected forming a multipoint network. As the PC is the master of the network
system, connect ‘TX+’ and ‘TX-’ signals of the computer to ‘RX+’ and ‘RX-’ of
BioEntry signals, and vice versa(See Figure 2).
At each end of the network, termination resistors of 120ohms should be
connected between ‘+’ and ‘-’ signals for proper impedance matching.
Connect cable
shield to earth
GND at one
point only
TX+
BioEntry
Termination
Figure 2> A full duplex BioEntry network
Warnings: To prevent ground loops and avoid communication problems, connect cable
shield to earth GND at only one point.
2.5.3. Connecting via RS-485 interface for a half duplex BioEntry network system
TX-
RX+
RX-
Resistors
Fo r a half duplex network, a pair of twisted wires in a shielded cable is needed.
For every devices in the half duplex network, tie ‘TX+’ with ‘RX+’ and ‘TX-’ with
‘RX-’ locally before connecting to the network(See Figure 3).
At each end of the network, termination resistors of 120ohms should be
connected between ‘+’ and ‘-’ signals for proper impedance matching.
BioEntry
BioEntry
Termination
Resistor
TX+
TX-
RX +
RX-
TX+
TX-
RX +
RX-
RS-485
Converter
TX+
RX-
RX+
RS-232
PC
TX-
Connect cable
shield to earth
GND at one
point only
TX+
BioEntry
Termination
Figure 3> A half duplex BioEntry network
Warnings: To prevent ground loops and avoid communication problems, connect cable
shield to earth GND at only one point.
2.5.4. Connecting via auxiliary interface
TX-
RX +
RX-
Resistor
The BioEntry series provide an auxiliary port to support connection to laptops,
even if the device is not networked during installation. The user can access and
manage the device with standard RS-232C port.
The BioEntry Smart/Pass offers various interfaces such as Wiegand
input/output, general purpose I/O signals and communication ports that
can be easily implemented to a security system, improving the security
level.
3.1. Building a new system
The BioEntry Smart/Pass is compatible with most access controllers with
Wiegand interface. Building a new access control system with BioEntry is as
simple and easy as with conventional Wiegand readers. In this section, the
system with BioEntry only configuration is explained. The minimal configuration
for BioEntry installation is illustrated in Figure 8.
BioEntry
WO_D0
WO_D1
WO_GND
9~24Vdc
Figure 8> BioEntry connection diagram
POW+
POW_GND
EARTH
RX+
TX+
RX-
TX-
3.1.1. Installing BioEntry Pass
The BioEntry Pass series operates in 1:N matching mode, and stores up to 9000
fingerprint template data into internal flash memory, which is more than enough
for most applications. The access control system is secured with Suprema’s fast
and reliable 1:N matching algorithm.
The user enrollment process is performed in the administrator’s computer, and
the biometric data is distributed to each reader over the BioEntry Network.
3.1.2. Installing BioEntry Smart
Data 0
Data 1
GND
(Optional for BioEntry Smart)
Access Controller
Network
or host computer
or host computer
To other BioEntry readers
To other controllers
TRX+
TRX-
The BioEntry Smart series stores user’s fingerprint data in smartcards, easing
user management and simplifying installation issues.
The user enrollment process is performed in the administrator’s computer. The
biometric data is stored in the smartcard which every user holds, instead of
distributing it to each reader over the network. This simple architecture greatly
simplifies user management process and improves overall security, as the
biometric data are physically isolated from the BioEntry, protecting them against
possible vandalism. Moreover, as the user management process does not rely on
network installation, total cost for installation is minimized.
3.2. Adding BioEntry to existing access control system
Access control systems using Wiegand readers for user identification can be
upgraded by adding BioEntry Pass in between Wiegand reader and access
controller for improved security over legacy proximity card only based
identification. The BioEntry Pass is configured to work in 1:1 matching mode.
In this mode, user identification is performed in the following order:
l The user places the proximity card on the Wiegand reader to initiate the
identification process.
l The Wiegand reader passes the user’s ID to the BioEntry Pass through
Wiegand port.
l The BioEntry Pass captures the user’s fingerprint, and performs 1:1 matching
with the user’s fingerprint template data stored in the flash memory.
l If the captured fingerprint and the one stored in the flash memory match, the
BioEntry Pass sends the user’s ID to the access controller as if it were a
Wiegand reader.
l The access controller process the user ID for further authentication.
High level input voltage V
Low level input voltage V
Wiegand Output Port Symbol Min Typ. Max Units
High level output voltage VOH 5.0 V
Low level output voltage VOL 0.0 V
Current source/drain IO -1/20 mA
WIH
WIL
4.3. Smart card specifications
Parameter Value
Antenna type PCB loop antenna (60mm x 57mm)
Connection with transceiver Permanent
Manufacturer / Model Dual I, DE -KTFMI
Operating Frequency Range 13.553 ~ 13.567MHz
Duty cycle 100%