RI
DTR
CTS
TXD
RTS
RXD
DSR
DCD
REF
IN22
REF
IN21
PWR (300 mA)
GND
NC
C
NO
SHLD
OUT23
OUT22
OUT21
PWR (300 mA)
DATA0
DATA1
REF
RXD
TXD
OUT02
OUT01
REF
IN02
REF
IN01
REF
IN12
REF
IN11
PWR (300 mA)
GND
NC
C
NO
SHLD
OUT13
OUT12
OUT11
PWR (300 mA)
DATA0
DATA1
GND
REF
+RS485
-RS485
REF
SHLD
COM
EARTH
+24VDC
GND
Reserved for Future Use
General Purpose Output OUT02
General Purpose Output OUT01
General Purpose Input IN02
General Purpose Input IN01
Reader (T) – Auxiliary Access/General Purpose Input
Reader (T) – Door Input/General Purpose Input IN11
Reader (T) – Device Ground
Reader (T) – Door Strike/General Purpose
Output NO/NC (T)
Reader (T) – Shunt Output/General Purpose Output OUT13
Reader (T) – Green LED/General Purpose Output OUT12
Reader (T) – Red LED/General Purpose Output OUT11
Reader (T) – Door
To Enclosure Power Supply and/or Next RDR2S
Reader (B) – Auxiliary Access/General Purpose Input
Reader (B) – Door Input/General Purpose Input IN21
Reserved for Future Use
Reader (B) – Door Strike/General Purpose Output
NO/NC (B)
Reader (B) – Shunt Output/General Purpose Output OUT23
Reader (B) – Green LED/General Purpose Output OUT22
Reader (B) – Red LED/General Purpose Output OUT21
Reader (B) – Door
To Controller and/or Next RDR2S
Reader Terminal Object Defined/Reader Terminal Object NOT Defined
(CK722 Controllers)
(T) = Top
(B) = Bottom
Reader (B) – Auxiliary (Output) Power
Reader (B) – Device Ground
Reader (B) – Door Shield
Reader (T) – Device (Output) Power
Reader (T) – Door Shield