User's Manual

15
Connector Assignments
Clock/Data
(ABA)
Wiegand RS232 RS422
1
Green LED
input
Green LED
input
Green LED
input)**
Green LED
input)**
2
Led LED
input
Led LED
input
Led LED
input)**
Led LED
input)**
3
Data
D1
Do not
connect
TXA
4
Clock
D0
TXD
TXA
5
Buzzer
input
Buzzer
input
Do not
connect
RXA
6
Do not
Connect
Do not
Connect
RXD
RXB
7
Ground
Ground
Ground
Ground
8
Power
4.75 to
15.00 VDC
Power
4.75 to
15.00 VDC
Power
4.75 to
15.00 VDC
Power
4.75 to
15.00 VDC
Attention: 4 Volt DC is MINIMUM VOLTAGE AT
READER CONNECTOR PINS
)** LED input only valid in read-only application