Installation Manual

26 en | Connection LECTUS duo 3000 readers
2020-10 | V02 | Bosch Security Systems B.V.
3 Connection
3.1 Wiring the reader
The reader has a 10-pin terminal strip connector for supplying
power and connecting the RS-485 or Wiegand interface signals.
The pins are defined in this table:
RS 485
#1
Wiegand
Classic + EV1
CSN
Auto off
#7
RS 485 BUS ADR
2
3
ON
OFF
B
C
2
2
2
1
2
0
EV1
only only Auto on
ON
1 2 3 4 5 6 7 8
1 2 3 4 5 6 7 8 9 10
1 2 3 4 5 6 7 8 9 10
Pin ID Function Wiegand*
1
RS485*
2
1 VIN Power supply
8.5 V to 16 V
X X
2 GND Power supply 0
V
X X
3 D0 Data 1 X
4 D1 Data 0 X
5 Tamper Tamper
protection
output
X
6 Green LED Green LED input X