
GuardDog Biometric Readers Contents
Owner’s Guide iii
Contents
Safety Precautions ......................................................................................................v
About This Guide.......................................................................................................vii
Conventions Used in This Guide..........................................................................vii
Related Documents............................................................................................. viii
Getting Help................................................................................................................ix
Chapter 1 • Introducing the GuardDog................................................................... 1
GuardDog Models................................................................................................. 2
Data Encryption and Digital Signing...................................................................... 3
Digital Interfaces ................................................................................................... 3
User Interfaces...................................................................................................... 3
Chapter 2 • Using the GuardDog............................................................................. 5
Power up Sequence.............................................................................................. 5
Standard Operation............................................................................................... 6
Using the iButton GuardDog................................................................................. 6
Using the Contactless GuardDog.......................................................................... 8
LED and Sound Conditions................................................................................... 9
Finger Selection and Placement Tips................................................................. 10
Common Authentication Problems..........................................................................................11
Chapter 3 • Maintaining the GuardDog................................................................. 13
Token Care ......................................................................................................... 13
Setting the Time.................................................................................................. 14
Cleaning the GuardDog ...................................................................................... 15
External Surfaces....................................................................................................................15
iButton Contacts......................................................................................................................15
Fingerprint Sensor...................................................................................................................15
Chapter 4 • Product Specifications....................................................................... 17
Tokens ................................................................................................................ 17
Mechanical.......................................................................................................... 18
Environmental..................................................................................................... 18
Power.................................................................................................................. 18
Digital Interface Signals ...................................................................................... 19
RS-232....................................................................................................................................19
RS-485....................................................................................................................................19
Wiegand Serial Data Output (Wall-Mount Only) .....................................................................19
Free Exit Switch Inputs ...........................................................................................................19
Data Memory....................................................................................................... 19
Index......................................................................................................................... 21