EPX400-A20CU – Manual
Page 9 / 62
3.2.
EPX400-A20CU COMMUNICATOR
Figure 2. Connecting the EPX400 communicator.
Connections of wires shall be made with due care to prevent any faults or dead
shorts. Places of connections shall be protected against weather conditions.
According to the figure 2 terminals of communicator shall be connected to:
Terminal
Connection description
AC, AC
This terminals are not used.
GND
Device ground, common for other input and output.
+ACU
Positive terminal of the power supply from the alarm
control panel (12-14 VDC).
IN1 – IN9
Signal inputs. Possible connection of detectors contacts or
alarm control panel outputs. GND terminal is common for
all inputs.
OUT1, OUT2
Type OC outputs. It may control external device. Provides
ground during activation.
NC3, NO3,
C3
Additional output relay. It may control external device.
During activation disconnects C terminal from NC, and
connects C to NO terminal.
AUX1+
Supply voltage output. Provides up to 100mA.
R1, T1
Connection to alarm control panel phone communicator