49
POWER / STATUS
RS232 / 485
BUS
RESET
20090334
SERIAL BRIDGE
1
2
3
4
1
5
1
Connection terminals:
- +
: 12/24 Vdc power supply from home automation BUS
or alarm control unit.
D
: Simplehome BUS data terminal.
NC - NO - C:
Voltage-free relay contacts.
I2
: Status input 2.
K
: Common status input.
I1
: Status input 1.
5
: Alarm control unit GND RS232.
3
: Alarm control unit RX RS232.
2
: Alarm control unit TX RS232.
+12 -12
: Alarm serial port power supply terminals.
485 A/L+ - B/L -
: Alarm supervisor connection terminals.
2
LED indicating data transmission over home automation
BUS.
3
LED indicating data transmission to control units.
4
LED indicating operation:
• slow flashing: normal operation.
• quick flashing: Bootloader status.
5
Reset button.
CAUTION!!
If the device is connected to the home
automation BUS power supply or the alarm control unit
power supply, the - terminal must be connected to the -12
terminal to balance the reference negatives.