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KS232DU / KS485DU / KS232DF / KS485DF
RFID Computer  Access Controller and Time Recorder

INTRODUCTION

The  KS232DU  /  KS485DU  /  KS232DF  and  KS485DF  proximity  readers  are  cost  effective 
solutions  for  access  control  and  time  recording  solutions.  While  connecting  them  to  the 
computer  and  running  the  Time  Recorder  software  (in  Windows),  the  program  will  stamp  the 
date,  time  and  card  ID  into  the  computer  database,  show  up  the  associated  picture  with  the 
specific  ID  on  the  computer  screen,  capture  the  photo  if  a  PC  camera  is  connected  to  the 
computer and release the electric lock if allow access.

A 9 to 12V DC supply is required to power the reader, which has a current consumption of less 
than 300mA.

TERMINAL LAYOUT

MODEL KS485DU

OPEN SW

GND

(BYPASS SWITCH)

DC OUT

GND

DC IN

GND

(TO ELECTRIC LOCK)

(9-12V 300mA)

(RELAY)

(RELAY)

K

S

4

8

5

D

U

RS485 DATA BUS

ENABLE TERMINATOR

NORMAL OPEN

COMMON

NORMAL CLOSE

MODEL KS232DF

NORMAL CLOSE

NORMAL OPEN

COMMON

OPEN SW

GND

(TO ELECTRIC LOCK)

(9-12V 300mA)

(BYPASS SWITCH)

(RELAY)

DC OUT

GND

DC IN

GND

RS232 PORT

DATA TO PC - DB9 PIN 2

DATA FROM PC - DB9 PIN 3

GND - DB9 PIN 5

(TO COMPUTER)

ACTIVE WHEN TRANSMIT

NOT USED

N

O

T U

S

E

D

NOT USED

Power supply
negative terminal

Power supply

positive terminal

OPEN SW

GND

(BYPASS SWITCH)

NORMAL OPEN

COMMON

DC OUT

GND

DC IN (positive)

GND (negative)

(TO ELECTRIC LOCK)

NORMAL CLOSE

(RELAY)

DATA TO PC - DB9 PIN 2

DATA FROM PC - DB9 PIN 3

GDN - DB9 PIN 5

ACTIVE WHEN TRANSMIT
NOT USED

***Jumper setup

for RS232 mode

NOT USED

RS232 PORT

(TO POWER:
9-12V 300mA)

MODEL KS232DU

NOT USED

N

O

T U

S

E

D

NORMAL CLOSE

NORMAL OPEN

COMMON

OPEN SW

GND

(TO ELECTRIC LOCK)

(9-12V 300mA)

(BYPASS SWITCH)

(RELAY)

DC OUT

GND

DC IN

D-

D+

(RS485 DATA BUS)

ENABLE TERMINATOR

Power supply

negative terminal

Power supply

positive terminal

GND

N

O

T U

S

E

D

MODEL KS485DF

NOT USED

N

O

T U

S

E

D

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