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Guardian Telecom Inc.
Installation Programming Operation
Merge/Isolate Zone Control System
Page 13
Installation of MICABs and MICONs
Installing the Merge/Isolate Master Switch Unit (MICAB)
WARNING – high voltages are present in this equipment when it is
connected to the power source.
Follow all appropriate electrical codes and use only approved electrical
fittings for the installation.
Install the MICAB in the rack.
If the Control System is being installed in a five channel system determine
which channel will be dedicated to the Merge/Isolate function.
See: Figure 2 -
Dimensions MICON &
MICAB
Ensure that none of the electrical connection circuits are live.
Following the color codes in the System Wiring Connections table connect
the Page Lines and the dedicated Talk Lines from each zone to the zone
connectors on the back panel of the MICAB.
Following the wire identification information in the MICAB to MICON Wiring
Connections table connect the MICON(s) to the MICAB. Up to six MICONs
can be connected to the MICAB.
See: Figure 11 -
Page/Talk System
Wiring (typical
application)
See: MICAB Back Panel
Connector Tables and
Installing Multiple
Merge/Isolate Controllers
(MICONs)
Connect the Alarm Generator.
See: AG17 Manual
To reduce noise on the Page/Talk system, 33 Ohm resistors – usually
installed in a Line Balance Unit (LBU) – are connected across every page
& talk line in every zone in/near the MICAB. The MICON provides the
loading for all the page and dedicated merge talk lines. Resistors for the
un-merged talk lines should be placed near the MICAB and remote LBU’s
must not be connected.
See: LBU Manual
If a Telephone interface is to be connected into the system do so at this
time.
See: PTTI Manual
Jumpers JP1, JP2, JP3, JP4 and JP5 are configured at the factory for the
most common setup. If changes to the system occur relocate jumpers to
the appropriate positions.
See: Figure 9 - MICAB
Jumper Settings
Ensure all connections are secure.
Connect the power supply to J1. The voltage is set at the factory to
120 VAC, 230 VAC or 24 VDC. Ensure that the power being supplied is
correct by checking the label on the back of the MICAB. Connect the
MICAB power cord to the proper power source then turn on the power
switch.
Program the system.
Adjust the front and back panel potentiometers.
See: Programming of
MICABs and MICONs
See: Potentiometer
Adjustments on the
MICABs
Test the system as described in the operation section.
See: Operation