Bosch Access Easy Controller 2.1 Hardware Installation Manual page 44

44 en | Access Easy Extension Unit
Figure 9.1: Connection between the AEC2.1 Main Controller Unit and Extension Units via RS485
communication channel.
2018.11 | 1.0.6 | F.01U.122.796
AEC2.1 Extension Unit # 1
T8
CON1
2
1
T9
1 2 3
SW1
T10
T11
RS485
MAIN
RS232
PWR
TAMPER
FAIL
+ -
+ -
Hardware Installation Manual
AEC2.1 Main Controller Unit
T2
JP2
4
2
1 3
T3
SW2
JP1
2 4
1 3
T4
T5
DC 15V
IN
+ -
RS485
Access Easy Controller 2.1
T8
CON1
2
1
JP2
4
2
1 3
T9
1 2 3
SW1
T10
T11
RS485
MAIN
RS232 DC 15V
PWR
IN
TAMPER
FAIL
+ -
+ -
+ -
T8
CON1
2
1
JP2
4
2
1 3
T9
1 2 3
SW1
T10
T11
RS485
MAIN
RS232 DC 15V
PWR
IN
TAMPER
FAIL
+ -
+ -
+ -
Robert Bosch (SEA) Pte Ltd
T2
T3
SW2
JP1
4
2
1 3
T4
T5
T2
T3
SW2
JP1
2 4
1 3
T4
T5
To Next
Extension
Unit