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3.4 Overview of PCB
1.
Plug-by communicator port
You can connect a plug-by communicator to this port.
By default, outputs 1-8 are 0V when active, and 12Vdc when inactive. Please refer to
1.5.3 Plug-by (digital communicator) on page 14 in this guide for the default output
type used for each output and programming details.
Connect LF (Line Fail) to an output from the communicator that is 12Vdc when
communicator detects that there is a communications fault to the ARC, and 0V when
no fault is present.
If a dual-path (landline and mobile) communicator is used, re-program one of the
plug-by outputs to type ATS Test, and wire that to the ATS Test input of the
communicator. Also connect Line Fail to the Line Fail output of the communicator, as
above. The Alarm Panel generates an "ATE LF Single" alert if one network is
unavailable, or "ATE LF All" if both are unavailable.
Connect RR (Remote Reset) to an output from the communicator that indicates to
the panel that a user can reset the system after a system tamper. The input must be
12Vdc for at least 100ms to indicate the reset, and 0v normally. For further details,
see Remote Reset (Redcare Reset) on page 53 in this guide.
2.
System bus
Up to four keypads can connect to the system bus. The installation instructions
supplied with each keypad provide details of how to install the device. The address of
each device is set by the panel.
Please refer to Step 3: Install cabling on page 24 for guidance about cabling. See also
RS485 bus termination link on page 24
3.
Loudspeaker connections
If fitted, a loudspeaker mimics alarm tones and repeats setting and entry tones. The
loudspeaker must be a minimum of 16 Ohms.
4.
Open-collector (wired) output
The open-collector transistor output can be used to switch external equipment on or
off. By default, the output is 12Vdc when inactive and 0V when active (this can be
reversed from the Installer menu).
5.
Siren/strobe connections
Please refer to the installation instructions provided with the siren/strobe unit for
connection details.
Note: During system commissioning, confirm with the ARC that the
communicator is working correctly.
Note:
•
A loudspeaker is not a warning device as described by EN50131-4.
•
You can set the loudspeaker volume from the Installer menu.
22
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