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 TXB
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
5 to
12.00 VDC
Power
5 to
12.00 VDC
Power
5 to
12.00 VDC
Power
5 to
12.00 VDC
Attention: 4.5 Volt DC is MINIMUM VOLTAGE AT
READER CONNECTOR PINS
Optional tamper contact: rating 1A 30 VDC
* RS232/RS422/RS485 are not evaluated by UL.
** LED input only valid in read-only applications